a) the use of heat energy to react carbon dioxide with water to produce oxygen. b) a chemical reaction between carbohydrates and oxygen to produce carbon dioxide, water, and heat energy. c) a photochemical reaction involving carbon dioxide and water to produce carbohydrates and oxygen. d) a photochemical reaction involving carbon dioxide and oxygen to produce water and oxygen.

Answers

Answer 1

Answer:  b) a chemical reaction between carbohydrates and oxygen to produce carbon dioxide, water, and heat energy

Explanation:

Based on the options, I assume that this is talking about the process of respiration. Respiration allows living things to produce energy by reacting carbohydrates with oxygen.

This results in the release of energy in the form of heat in a cell and also the formation of carbon dioxide and water. This type of respiration is known as Aerobic respiration.


Related Questions

Methane is the main component of natural gas. Using the given reaction enthalpy, calculate the heat energy produced by the combustion of one kilogram of methane.

Answers

Answer: The heat energy produced is 53831.25KJ

Explanation:

METHANE is the main component of natural gas. It can undergo combustion reaction in air with a bright blue flame to produce carbondioxide and water. The heat of reaction (enthalpy) is negative because heat is absorbed during the chemical reaction. To calculate the heat energy produced by the combustion of one kilogram (1 kg) of methane the following steps are taken:

Molecular mass of methane =16 gm/mol.

So moles of 1 kg methane =

Given mass of methane ÷ molecular weight of methane

But the given mass = 1kg = 1000g

Therefore,

moles of 1000g methane = 1000÷16

= 62.5 moles

Hence, energy evolved = (moles of methane) × (heat of combustion)

Therefore,

heat energy produced= 62.5 × (-861.3kj)

= -53831.25kj

The heat energy produced by the combustion of one kilogram of methane is –53831.25 KJ

We'll begin by calculating the number of mole in 1 Kg of CH₄

Mass of CH₄ = 1 kg = 1000 g

Molar mass of CH₄ = 12 + (4×1) = 16 g/mol

Mole of CH₄ =?

Mole = mass /molar mass

Mole of CH₄ = 1000 / 16

Mole = 62.5 moles

Finally, we shall determine the heat energy produced from the reaction.

CH₄ + 2O₂ —> CO₂ + 2H₂O ΔH = –861.3 KJ

From the balanced equation above,

1 mole of CH₄ reacted to produce –861.3 KJ.

Therefore,

62.5 moles of CH₄ will react to produce = 62.5 × –861.3 = –53831.25 KJ

Thus, –53831.25 KJ of heat energy is produced.

Complete Question is located in the attached photo

Learn more: https://brainly.com/question/13671340

Put these atoms in order from most negative overall charge to least negative
overall charge.
11 Atom X: 104 protons, 102 electrons
11 Atom B: 24 protons, 18 electrons
1 Atom Q: 15 protons, 16 electrons
11. Atom P: 7 protons, 10 electrons

Answers

Answer:

3 Protons, 2 Neutrons, & 3 Electrons. Is the charge of this atom positive, negative, or neutral?

Explanation:

Put these atoms in order from most negative overall charge to least negative

overall charge.

11 Atom X: 104 protons, 102 electrons

11 Atom B: 24 protons, 18 electrons

1 Atom Q: 15 protons, 16 electrons

11. Atom P: 7 protons, 10 electrons

please let me know if this is correct?

Answers

Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)

Under which conditions is a reaction spontaneous?Edmentum.

Answers

Answer:

When ΔS > 0 and ΔH < 0, the process is always spontaneous as written. When ΔS < 0 and ΔH > 0, the process is never spontaneous, but the reverse process is always spontaneous. When ΔS > 0 and ΔH > 0, the process will be spontaneous at

Explanation:

What are the best conditions to lead towards a spontaneous reaction? high negative enthalpy, high temp, high positive entropy. Your enthalpy is high and negative but your entropy is also negative.

give me a fully balanced equation of lead monoxide and nitric acid​

Answers

Answer:

Explanation:

Lead Monoxide: PbO

Nitric Acid: HNO3

PbO + 2 HNO3 ---> Pb(NO3)2 + H2O

Answer:

Explanation:

mono mean single so lead monoxide is PbO

nitric acid is HNO3

both Pb n O are double-charged while H n NO3 are single

so balanced eqn is:

PbO + 2HNO3 -> Pb(NO3)2 + H2O

How many moles of water vapor are formed. when 10 litres of butane gas c4h10 is burned in oxygen at STP ​

Answers

Using the idea of the  molar volume of butane gas, we have 2.23 moles of water vapor.

What is a reaction equation?

The term reaction equation shows the conversion of reactants to products. First of all, we must get down the reaction equation as follows;

C4H10(g) + 13/2O2(g) ----> 4CO2 (g) + 5H2O(g)

From the balanced reaction equation;

1 mole of  butane gas yields 5 moles of water vapor. Since 1 mole of butane gas occupies 22.4 L. Hence;

22.4 L of butane yields 5 moles of water vapor

10 L of butane gas yields 10 L * 5 moles/22.4 L = 2.23 moles

Learn more about butane gas:https://brainly.com/question/6665698

how many moles are in 6.4grams of copper​

Answers

Answer:

One mole of copper atoms has Avogadro number of copper atoms i.e. 6.022×10

23

 atoms.

Given the mass of Copper is 6.4g

Number of Copper atoms in 6.4g =

molar mass

given mass

×Avogadro number

                                                       =

63.55

6.4

×6.022×10

23

 copper atoms

                                                       =6.064×10

22

 copper atoms

Explanation:

Describe 5 importance matter to undergo changes​

Answers

Answer:

melting, freezing, sublimation, deposition, condensation, and vaporization. These changes

Explanation:

hope it helps...i dont know if its right but i hope it helps


All light waves can be described in terms of their speed, frequency, and_____

Answers

I’m not really sure just trying to get points but maybe it’s length

What do we need in order to obtain energy?

Answers

Explanation:

hope it helps thanks ❤

brainliest please

Answer:

Explanation:

human obtains energy by eating food. as food is digested n broken down in our digestive system, energy is released to our body.

Hydrogen gas (H2) is a promising alternative to fossil fuels. How many molecules are present in 1.0 kg of hydrogen gas

Answers

Answer:

3.01×10²⁶ molecules

Explanation:

From the question given above, the following data were obtained:

Mass of H₂ = 1 Kg

Number of molecules =?

From Avogadro's hypothesis,

1 mole of H₂ = 6.02×10²³ molecules

But 1 mole of H₂ = 2 × 1 = 2 g

Now, we shall determine the number of molecules present in 1 Kg (i.e 1000 g) of H₂ as follow:

From Avogadro's hypothesis,

2 g of H₂ = 6.02×10²³ molecules

Therefore,

1000 g of H₂ = 1000 × 6.02×10²³ / 2

1000 g of H₂ = 3.01×10²⁶ molecules

Thus, the number of molecules present in 1 Kg (i.e 1000 g) of H₂ is 3.01×10²⁶ molecules

How long would it take Jesse, with an acceleration of -2.50 m/s², to bring his bicycle, with an initial velocity of 13.5 m/s, to a complete stop?

Answers

Answer:

i am so sorry. i do not have a answer but i am trying to find questioms i can answer

How do you think the bonds between carbon atoms might be different in diamond and graphite?

Answers

Both have Giant Covalent Structures, resulting in very high melting temperatures. However each carbon atom in Diamond has 4 covalent bonds with other Carbons, making it extremely strong and hard. On the other hand, each carbon in graphite is bonded to three carbons, and therefore graphite is formed in layers.

the stomach, small intestine, and large intestine are all organs. when they work together to process food, they form a functional unit known as

Answers

Answer:

Organ System

Explanation:

These organs are helping each other process food and therefore be an Organ System

Energy transformation of a kettle?

Answers

Explanation:

Electrical energy into heat energy..

hope it helps.stay safe healthy and happy...

what is the wave speed
a wave with a wave length of 1000 m and a frequancy of 3000000 Hz ​

Answers

Answer:

v = 3,000,000,000 m/s

Explanation:

v = f *L

v = 3,000,000 * 1000

v = 3,000,000,000 m/s

Compare the energy requirements of a 50 year old woman and 50 year old man.​

Answers

Explanation:

For both men and women, the basics of a balanced diet are the same. Men have higher caloric requirements than women since they have a bigger body (both in height and weight) and more muscular mass.

So, Men needs more energy.

50 year old woman require less energy than 50 year old man.​

Why is it essential for a calorimetry to be an insulated (closed) system?


A. The heat exchange must originate from only the reaction (system).

B. Thermal insulation minimizes energy loses to the atmosphere.

C. A and B

D. None of the Above

Answers

Answer:

B.Thermal insulation minimizes energy loses to the atmosphere.

Explanation:

It is important because it helps to stop hit from transferring from the calorimeter to the environment. This would help to have an accurate measurement of the heat that was used in the chemical process. The greatest cause of error that happens in calorimetry is when heat is lost to the environment. To reduce this, you insulate the calorimeter and add a cover.

write your 5 ways how to you can help earth​

Answers

Answer:

any 5 ways to prevent earth are:

1.using ( 3R) principles Reduce, reuse, and recycle.

2.Educate yourself

3.Conserve water resources and other natural resources

4.Use long-lasting light bulbs.

5.stop deforestation and start afforestaion

1. How many ATOMS of boron are present in 2.20 moles of boron trifluoride ? atoms of boron.

2. How many MOLES of fluorine are present in 5.35*1022 molecules of boron trifluoride ? moles of fluorine.​

Answers

Answer:

1. How many ATOMS of boron are present in 2.20 moles of boron trifluoride? atoms of boron.

2. How many MOLES of fluorine are present in  of boron trifluoride? moles of fluorine.​

Explanation:

The molecular formula of boron trifluoride is [tex]BF_3[/tex].

So, one mole of boron trifluoride has one mole of boron atoms.

1. The number of boron atoms in 2.20 moles of boron trifluoride is 2.20 moles.

The number of atoms in 2.20 moles of boron is:

One mole of boron has ---- [tex]6.023x10^2^3[/tex] atoms.

Then, 2.20 moles of boron has

-[tex]=2.20 mol. x 6.023 x 10^2^3 atoms /1 mol\\=13.25x10^2^3 atoms[/tex]

2. Calculate the number of moles of BF3 in 5.35*1022 molecules.

[tex](5.35x10^2^2 molecules/6.023x10^2^3)x 1mol\\=0.0888mol[/tex]

One mole of boron trifluoride has three moles of fluorine atoms.

Hence, 0.0888moles of BF3 has 3x0.0888mol of fluorine atoms.

=0.266mol of fluorine atoms.

what is displacement?​

Answers

Answer:

the moving of something form it's places or position

Balance the equation
__Cu+__Ag(NO3)——__Cu(NO3)2+__Ag

Answers

Answer :

Balanced chemical equation for above reaction :

[tex] \mathrm{Cu +2 \: AgNO_3 \longrightarrow Cu(NO_3)_2 + 2 \: Ag}[/tex]

This is a displacement reaction, where copper (Cu) being morereactive than Silver (Ag) displaces Silver from its compound " Silver Nitrate " to form " Copper Nitrate " and silver .

[tex]\mathrm{✌TeeNForeveR✌}[/tex]

Please help me with this activity!! I have to submit it ASAP. It's attached as a pdf. Not too long and for an Honors Electrons lesson.

Answers

(1) Seven electrons

1s² 2s²2p³

There are two electrons in the 2s subshell and three in the 2p subshell. The remaining two electrons are in the inner 1s subshell.

(2) 22 electrons

1s² 2s²2p⁶ 3s²3p⁶ 4s²3d²

There are two electrons in the 4s subshell and two in the 2p subshell. The remaining 18 electrons are in the inner subshells.

(3) 17 electrons

1s² 2s²2p⁶ 3s²3p⁵

There are two electrons in the 3s subshell and five in the 2p subshell. The remaining 10 electrons are in the inner subshells.

(4) n = 4, l = 2

(5) N=2 I=0 MI=0

(6) There can be two electrons in one orbital maximum. The s sublevel has just one orbital, so can contain 2 electrons max. The p sublevel has 3 orbitals, so can contain 6 electrons max. The d sublevel has 5 orbitals, so can contain 10 electrons max.

(7) n = 4 can hold up to 16 electrons

There are 4 sublevels; 42, 4p, 4d and 4f

4s (1 orbital), 4p (3 orbitals)

4d (5 orbitals), 4f (7 orbitals)

Maximum number of electrons in energy level: 16

s = 1 orbital

p = 3 orbitals

d = 5 orbitals

f = 7 orbitals

Add these up;

1 + 3 + 5 + 7 = 16

(8) 14 electrons If l = 3, the electrons are in an f subshell. The number of orbitals with a quantum number l is 2l + 1, so there are 2×3 + 1 = 7 f orbitals. Each orbital can hold two electrons, so the f subshell can hold 14 electrons.

sorry i didn't do the last two.. also sorry if some or none of these are correct, i tried my best

_______organisma consist of only one cell and _________ organisms consist of many cells​

Answers

Answer:

Unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

Explanation:

Living things made up of a cell are called unicellular beings. They are very small and simple. In other words, unicellular organisms are those that are formed only by a single cell in which all the vital functions necessary for life are produced. For this reason, they are mostly microscopic organisms. Examples of unicellular organisms are viruses or bacteria.

Multicellular organisms are made up of a large number of cells. They present, therefore, a greater complexity than unicellular organisms in terms of the functions they develop. All current multicellular organisms come from a single cell, that is, they begin their life being unicellular. That is, they are formed from a zygote. Some examples of multicellular organisms are mammals, fungi, and mosses.

So, unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

effect of air and water on iron and zinc

Answers

Answer:

Rust

Explanation:

it does cool chemical things

`Answer is subscribe to XoX Snead on YT Explanation: b is the answer!!

what is a saturted solution

Answers

Answer:

Please find the definition and further explanation below

Explanation:

Based on the ability for the solvent (liquid substance) to dissolve a solute (solid substance), a solution can either be unsaturated, saturated or supersaturated. A SATURATED SOLUTION is that which contains the maximum amount of solute a solvent can possibly dissolve.

In other words, a saturated solution can no longer dissolve anymore solute, and hence, any further solute added forms crystals or makes the solution supersaturated.

Which statement correctly describes a product of a reaction within
photosynthesis?
O A. ATP is produced during the light reactions.
O B. Carbon dioxide is produced during the light reactions.
O C. Oxygen is produced during the Calvin cycle.
OD. NADPH is produced during the Calvin cycle.

Answers

Answer:

B

pls correct me if im wrong

What is the HCPCS Level II code for the compounded concentrated form of 0.5 mg Levalbuterol HCL when inhaled

Answers

Answer:

aefhfcjd

Explanation:

Viruses are called obligatory parasites. Why​

Answers

Viruses are known as obligatory parasites as they only become active and multiply when inside a host. Viruses are inactive when they are outside.

A balloon at sea level on earth (1 atm pressure, 19°C) takes up 14.5 L of space. The balloon travels to Mars where atmospheric pressure is 4.55 torr and the temperature is -55°C What is the volume of the balloon on Mars?

Answers

Answer:

1807.24L

Explanation:

Using combined gas law equation:

P1V1/T1 = P2V2/T2

Where;

P1 = pressure on Earth

P2 = Pressure on Mars

V1 = volume on Earth

V2 = volume on Mars

T1 = temperature on Earth

T2 = temperature on Mars

According to the information provided of the balloon in this question;

P1 = 1 atm

P2 = 4.55 torr = 4.55/760 = 0.00599atm

V1 = 14.5L

V2 = ?

T1 = 19°C = 19 + 273 = 292K

T2 = -55°C = -55 + 273 = 218K

Using P1V1/T1 = P2V2/T2

1 × 14.5/292 = 0.00599 × V2/218

14.5/292 = 0.00599V2/218

Cross multiply

14.5 × 218 = 292 × 0.00599V2

3161 = 1.74908V2

V2 = 3161 ÷ 1.74908

V2 = 1807.24L

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If MO= 5x+3 and NO= 6x what is the length of MN Which one of the following compounds will be soluble in water?A) AgCIB) PbCO3C) CaSO4D) Cu(OH)2E) LiCl What are the zeros of the following quadratic equation:y = 6x2- 17x - 3 Question 1Which thinker believed that everyone should have a right to a speedy trial?Select one:a. Baron de Montesquieub. Jean Jacques Rosseauc. Cesare Bonesana Beccariad. John LockeQuestion 2Which thinker believed that an absolute monarchy was the best form of government due to the Peoples nature to be bad and selfish?A. John Locke B. Thomas Hobbes C. Mary Wollstonecraft D. Jean Jacques Rosseau Question 3 If you were a scientist during the Scientific Revolution, what was one of the most dangerous aspects of publishing your work?A. Misinterpreting your observationsB. Losing money during publishingC. Disagreeing with the churchD. Disagreeing with ancient Greek scientist and philosophers 1. Discuss the process of the production of T lymphocytes. scientists believe the earth likely warmed between 0.65 celsius and 1.05 celsius with an average value of 0.85 celsius between years 1880 and 2012. what was error bar for the increase in temperature over that period? 15. __________ is often the first drug many people abuse. An amount of $700 was invested at 7% for 7 months what is the interest? Round your answer to your nearest cent. What is the height of the building? Select the sentence with the best nouns and verbs:The bright bird soared into the air.The sparrow flew into the sky and stole a berry.The quick bright bird flew like a rocket.The sparrow shot through the fog and speared a holly berry. Find the area of the triangle with the following measurements: 6.Explain how animals in Vertebrata are classified into further subgroups. What to include in prenatal care translate into an algebraic expression, find the number if 10% of it is m . Sipho's dad used 4/11 of the packet of oranges to make juice. Thenext day he used another 4/11 of the packet of oranges.a) How many elevenths has he used? Which of the following statements about the administration of CPR is true?A. Compressions should be given in the middle of the stomach. B. Cycles of CPR should be continued until EMS arrives.C. You must choose between doing CPR or using an AED.D. You should make sure the person is on a curved, soft surface. how is society developed ? write in point If a bicyclist rides for 100 minutes at an average speed of 14 miles per hour, how far was the ride, to 1 decimal place? approaches to cancer palliative care How many liters of a 10% alcohol solution must be mixed with 40 liters of a 50% alcoholsolution to obtain a 40% alcohol solution?