The oxidation numbers of C in H2C2O4 and CH4 are __ and __, respectively.

Answer:

It says it in the text

Explanation:

Answer:

Observe odor, determine pH, determine density, determine boiling point

Explanation:

The correct procedures that would be best to use to determine whether a beaker contains only distilled water would be to observe the odor of the liquid in the beaker, determine the pH of the liquid, determine the density, and then determine the boiling point of the liquid.

Water is generally odorless and has a pH of approximately 7 with a density of 1 kg/m3 and a boiling point of 100 \(^oC\). If the liquid in the beaker ticks all these conditions, then it can be established to be only distilled water.

Answer:

The difference between an innate behavior and a learned one is that innate behaviors are those an animal will engage in from birth without any intervention. Learned behavior is something an animal discovers through trial, error and observation.

Explanation:

Answer:

endothermic change occurs

Explanation:

photosynthesis, is an endothermic reaction in which energy is absorbed from the surrounding.

hope this helps

Explanation:

i really think the answer is

Answer:

What are values for standard temperature?

Check all that apply.

A) 0

E) 273.15

Explanation:

edge 2023

An acid-base titration involves a neutralization reaction

An acid-base titration is a laboratory technique that is used to determine the concentration of an acid or a base in a solution. The basic principle behind this technique is the fact that acid-base reactions are reversible, meaning that an acid and a base can react with each other to form a neutral compound.

In an acid-base titration, a known concentration of a base is added to a solution containing an unknown concentration of an acid. The acid and the base react with each other to form a neutral compound, such as water. By carefully measuring the volume of the titrant that is required to neutralize the acid, the concentration of the acid in the solution can be determined. This process is known as a neutralization reaction.

Read more about neutralization reaction on:

https://brainly.com/question/23008798

#SPJ4

Boyle's Law, which states that at constant temperature, a gas's pressure and volume are inversely related, can be used to address this issue.

Boyle's Law says that P1V1 = P2V2.

Where: P1 = The gas's initial pressure (in torr)

V1 is the container's initial volume (in millilitres).

P2 stands for the gas's post-volume change pressure (unknown).

V2 is the revised volume of the container (in millilitres).

Let's solve for P2 by entering the provided values into the equation:

P₁ = 757.2 torr

V2 = 132.5 mL V1 = 81.4 mL

P2 = ambiguous

P₁V₁ = P₂V₂

P2 equals 757.2 torr x 81.4 mL x 132.5 mL.

P2 times 132.5 mL = 61702.08 torr * mL

61702.08 torr = P₂ * 132.5

P2 = 132.5 mL / 61702.08 torr

P₂ ≈ 465.69 torr

as a result, the gas's pressure

Learn more about pressure at :

https://brainly.com/question/30673967

#SPJ1

The theoretical yield of Fe₂O₃ is 0.0059 moles and the percent Yield is 44.2%

Using stoichiometry to calculate the theoretical yield of Fe₂O₃:

From the balanced chemical equation, 4 moles of Fe react with 3 moles of O₂ to produce 2 moles of Fe₂O₃. Therefore, set up the following proportion:

3.4 g O₂ / 32 g/mol O₂ = x mol Fe₂O₃ / (2 mol Fe / 4 mol O₂ x 55.85 g/mol Fe)

Solving for x:

x = 3.4/32 x 4/3 x 1/55.85 x 2 = 0.0059 moles Fe₂O₃

Therefore, the theoretical yield of Fe₂O₃ is 0.0059 moles.

From the balanced chemical equation, 4 moles of Fe react with 3 moles of O₂ to produce 2 moles of Fe₂O₃. Therefore, for every 4 moles of Fe that react, expect to produce 2 moles of Fe₂O₃.

Using this information, set up the following proportion:

4 mol Fe / 55.85 g/mol Fe = 0.0059 mol Fe₂O₃ / x

Solving for x:

x = 55.85 x 0.0059 / 4 = 0.082 g Fe

Therefore, the theoretical yield of Fe is 0.082 g.

To calculate the percent yield, use the following formula:

Percent Yield = (Actual Yield / Theoretical Yield) x 100%

Substituting the values calculated:

Percent Yield = (0.0059 mol Fe₂O₃ / 0.082 g Fe) x 100% x (1.5 moles H₂O / 2 moles Fe₂O₃)

Percent Yield = 44.2%

Find out more on percent yield here: https://brainly.com/question/14714924

#SPJ1

Plant biodiversity provides a source of novel food and medical crops. Ecosystems are balanced by plant life, which also safeguards watersheds, reduces erosion, modifies climate, and serves as a haven for several animal species. Here all the given options are correct. The correct option is D.

All living things receive nutrients from plants, either directly or indirectly. By releasing oxygen, absorbing carbon dioxide, and improving air quality, they maintain ecosystem equilibrium. They offer living things a place to live. Soil erosion can be stopped by plants.

The ability of plants to create organic molecules for herbivores at the base of the food chain is a crucial ecological function.

Thus the correct option is D.

To know more about ecosystem, visit;

https://brainly.com/question/30761411

#SPJ1

Answer:

B. They are the substances that make up all

matter in the universe.

Explanation:

Elements are pure substance that pretty much make everything in the world. For example, water is made up of hydrogen and oxygen. Humans are made of nitrogen, oxygen, hydrogen, and carbon.

Answer:

geothite

Explanation:

i did a test on this a few months ago

Answer:

sphalerite i think

Explanation:

Answer:

Carbon Dioxide

Explanation:

Carbon dioxide gets turned into oxygen

Answer:

Explanation:

The systematic name of the coordination compound [Ir(NH3)4Br2]Br is tetraamminedibromoiridium (III) bromide

To deploy configuration profiles for computers from Jamf Pro, the Apple Push Notification service (APNs) must be available.

APNs is a cloud-based service provided by Apple that enables the secure transfer of data between Apple devices and servers. It is essential for communication between Jamf Pro and Apple devices during the deployment of configuration profiles.

APNs is used to initiate the connection between the devices and Jamf Pro, allowing for the transfer of the configuration profiles. Without APNs, it would be impossible to deploy configuration profiles to Apple devices using Jamf Pro.

Therefore, it is critical to ensure that APNs is available and functioning correctly before attempting to deploy configuration profiles using Jamf Pro.

To learn more about : Apple

https://brainly.com/question/13148332

#SPJ11

We can convert strontium-82 to rubidium-82 by positron emission.

The three main fundamental subatomic particles in an atom are;

In a neutral atom, the number of protons is always equal to the number of electrons.

In strontium-82, there are 44 neutrons, 38 electrons and 38 protons. In rubidium-82, there are 45 neutrons, 37 electrons and 37 protons. We can convert  strontium-82 to rubidium-82 by positron emission.

Learn more about positron emission: https://brainly.com/question/11594309

The age of the meteorite is approximately 0.11 billion years.To determine the age of the meteorite, we can use the concept of half-life. The half-life of potassium-40 is given as 1.25 billion years.

Since you have mentioned that 1/8 of the original potassium-40 remains, it means that 7/8 has decayed into argon-40. This implies that 7/8 of the original amount of potassium-40 has undergone radioactive decay.

We can use the formula for exponential decay to calculate the number of half-lives that have occurred: Amount remaining = (1/2)^(number of half-lives)Given that 7/8 of the original amount remains, we can set up the equation:
(7/8) = (1/2)^(number of half-lives)

Simplifying this equation, we get:
(1/2)^(number of half-lives) = 7/8

To solve for the number of half-lives, we can take the logarithm of both sides:
log2((1/2)^(number of half-lives)) = log2(7/8)
Applying the logarithm property, we have:
number of half-lives * log2(1/2) = log2(7/8)
Since log2(1/2) = -1, the equation becomes:
number of half-lives * -1 = log2(7/8)
Solving for the number of half-lives, we get:
number of half-lives = log2(7/8) / -1
Age = 0.0898 * 1.25 billion years
Age ≈ 0.11225 billion years

To know more about half-life visit:-

https://brainly.com/question/31666695

#SPJ11

These solutions contain a weak acid and its corresponding conjugate base or a susceptible base and its corresponding conjugate acid, that's the important thing element of a buffer device.

zero.13 m acetic acid 0.17 m potassium acetate

0.32 m ammonium nitrate zero.38 m ammonia

zero.31 m hypochlorous acid 0.22 m potassium hypochlorite

A buffer device in chemistry is an answer which can withstand adjustments in pH when an acidic or fundamental substance is brought to it. A buffer system includes a weak acid and its corresponding conjugate base or a susceptible base and its corresponding conjugate acid. Buffers are essential in many organic structures, in which pH modifications could have a widespread effect on the feature of enzymes and other biomolecules.

The buffer device works via the precept of Le Chatelier's precept, which states that when a device is harassed, it will reply in a manner to counteract the pressure. within the case of a buffer device, when an acidic or basic substance is added, the vulnerable acid or base inside the buffer will react with it to maintain the pH within a positive range.

To learn more about Buffer system visit here:

brainly.com/question/22821585

#SPJ4

Complete Question:

Which of the following aqueous solutions are good buffer systems? (select all that apply.)

A). 0.13 m acetic acid  0.17 m potassium acetate

B). 0.27 m nitric acid  0.22 m sodium nitrate

C). 0.32 m ammonium nitrate  0.38 m ammonia

D). 0.17 m calcium hydroxide  0.22 m calcium bromide

E). 0.31 m hypochlorous acid  0.22 m potassium hypochlorite

An ion is an atom or molecule that has gained or lost one or more electrons, giving it a net charge. Cation is an ion with a positive charge. Anion is an ion with a negative charge and an electrolyte is a substance that can conduct electricity when dissolved in water.

Ions are formed when atoms or molecules lose or gain electrons. When an atom loses an electron, it becomes a positively charged ion, or cation. When an atom gains an electron, it becomes a negatively charged ion, or anion.

Electrolyte is a substance that can conduct electricity when dissolved in water. They are important in many biological processes, including nerve conduction, muscle contraction, and fluid balance. They are also used in batteries, fuel cells, and other devices.

Here are some examples of ions, cations, anions, and electrolytes:

Ion: Sodium ion (Na+)

Cation: Calcium ion (Ca2+)

Anion: Chloride ion (Cl-)

Electrolyte: Sodium chloride (NaCl)

Thus, an ion is an atom or molecule that has gained or lost one or more electrons, giving it a net charge. Cation is an ion with a positive charge. Anion is an ion with a negative charge and an electrolyte is a substance that can conduct electricity when dissolved in water.

To learn more about ions :

https://brainly.com/question/13692734

#SPJ11

Answer:Explanation:

Convection drives the circulation of air in the earth's atmosphere. The sun heats the air near the earth's equator, which becomes less dense and rises upward. As it rises, it cools and becomes less dense than the air around it, spreading out and descending toward the equator again.

Explanation:

Answer:

Heat is a form of energy that gives the sensation of warmth to us.

Explanation:

Answer:

Explanation:

Magnetic field is the magnetism charge around a magnetic body

Answer:

the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber

The buoyancy of the magma is the main factor that controls the type of volcano that forms following eruption.

A volcano is a crack in the crust of the Earth, another planet, or a satellite from which molten rock, hot stone pieces, and hot gases are released in eruptions. An amazing demonstration of Earth's might is a volcanic eruption.

Eruptions may cause catastrophic loss of lives and property, particularly in areas of the planet that are highly inhabited, despite the fact that they are beautiful to observe. The buoyancy of the magma is the main factor that controls the type of volcano that forms following eruption.

Therefore,  the buoyancy of the magma is the main factor that controls the type of volcano that forms following eruption.

To know more about volcano, here:

https://brainly.com/question/14400711

#SPJ6

The freezing point of a solution is -0.827 °C if it contains 20.0 g of  (glucose) in 250.0 g of water.

Frozen desserts are susceptible to fluctuations in freezing point because sugar decreases the freezing point of water. Depending on the sugar content, most desserts freeze at 29.5 to 26.6 degrees F (-1.4 to -3.0 C). Their larger percentage of acids (which produce flavours like lemon, raspberry, etc.) needs to be countered.

ΔTf = Kf × m

molality = moles of solute / mass of solvent (in kg) = 0.111 mol / 0.25 kg = 0.444 mol/kg moles of glucose = mass / molar mass = 20.0 g / 180.16 g/mol = 0.111 mol mass of water = 250.0 g / 1000 g/kg = 0.25 kilogramme

ΔTf = 1.86 °C/m × 0.444 mol/kg = 0.827 °C

freezing point of solution = 0 °C - 0.827 °C = -0.827 °C

To know more about freezing point visit:-

https://brainly.com/question/1550397

#SPJ1

Answer:

I don’t know what recording station you’re referring to but, When seismic waves reach the seismograph, a graphical record, or seismogram, is produced

Explanation:

The seismic waves hitting the recording station has been resulted in the seismograph, that has been evident of the earthquake.

The seismic wave has been the radiation, with the result of the movement of the earth surface. The movement has been result in the earthquake.

The intensity of the earthquake has been measured by seismograph on the Richter scale. The seismic wave results in the movement of the leads to the production of the seismograph.

The seismic waves hitting the recording station has been resulted in the seismograph, that has been evident of the earthquake.

For more information about earthquake, refer to the link:

https://brainly.com/question/1296104

The term identifies the characteristic tingling sensations and reddening of the skin after ingesting a pharmacologic dose of nicotinic acid will be naicin flush.

It could also treat niacin deficiency along with high triglyceride and cholesterol levels. Additionally, it can lessen the chance of a heart attack but also slow artery narrowing.

Niacin, sometimes referred to as nicotinic acid, would be a naturally occurring vitamin \(B_{3}\) found in the diet. It can raise blood lipid (fat) levels, including triglycerides and cholesterol, when used as medicine. In order to exert its effects, nicotinic acid causes the liver to produce less "bad" cholesterol and triglycerides.

Therefore, The term identifies the characteristic tingling sensations and reddening of the skin after ingesting a pharmacologic dose of nicotinic acid will be naicin flush.

To know more about nicotinic acid

https://brainly.com/question/13255467

#SPJ4

The picture shows the balancing of chemical equations. The balanced chemical equation of the reaction is:

Balanced chemical equations are equations in which the number of moles of atoms of elements that are reacting is equal to the number of moles of atoms of the elements that are produced.

The balancing of chemical reactions follows the law of conservation of mass which states that matter cannot be created nor destroyed but can change from one form to another.

Hence, in a balanced chemical equation, the mass of the reactants is equal to the sum of the mass of the products.

Learn more about balanced chemical equations at: https://brainly.com/question/11904811

#SPJ1

Answer:

C

Explanation:

I had the same answer during school and the teacher said it was correct but if it isnt I'm super sorry

A lion preying  on a herd of gazelle is not an example of how biotic factors interact with abiotic factors in an ecosystem.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

Learn more about ecosystem,here:

https://brainly.com/question/1673533

#SPJ6

Answer:

It takes a lot of heat to increase the temperature of liquid water because some of the heat must be used to break hydrogen bonds between the molecules. - KA

An iceberg has a volume of 7670 cubic feet. The mass of the ice (in kg) composing the iceberg is 0.0002483 kg

The volume of iceberg = 7670 cubic feet.

Density of ice = 0.917 g/cm\(^{3}\)

so, Density is given by,

Density = mass / volume

density of ice =  (0.917 /1000) kg/cm\(^{3}\)

1 cm\(^{3}\) = 0.00003531 ft\(^{3}\)

therefore,

0.000917 kg/cm\(^{3}\) = (0.000917 × 0.00003531 ) kg/ft\(^{3}\)

                            = 0.0000000324 kg/ft\(^{3}\)

now,putting the values in formula , we get,

Density = mass / volume

mass = density × volume

         = (0.0000000324 × 7670 ) kg

         = 0.0002483 kg

Hence,An iceberg has a volume of 7670 cubic feet. The mass of the ice (in kg) composing the iceberg is 0.0002483 kg.

To learn more about Density here

https://brainly.com/question/15164682

#SPJ1