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3 years ago

If you begin with 4.0 grams of hydrogen and all of the oxygen that you need, how many grams of water can you make?

Chemistry

1 answer:

yawa3891 [41]3 years ago

7 0

the water is 36 grams.

hope this helped

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Think of the different types of reactions you have learned about. How can you tell if they absorb energy or release energy, and

hjlf

Answer:

? more info

Explanation:

Give users an example of the reactions you've learned about so we can have more of an idea. I'd be glad to help, if you edited your answer, meanwhile I too have homework in need of finishing.

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3 years ago

During respiration, energy is retrieved from the high-energy bonds found in certain organic molecules. Which of the following, i

babunello [35]

Answer:

(A.) CO2, H2O

Explanation:

The chemical equation for respiration process is:

$C_{6}H_{12} O_{6}$ + $6O_{2}$ → $6CO_{2}$ + $6H_{2} O$ + ATP↑

Energy is released during the biochemical process in the organism's cells in form of ATP. Byproducts of the reaction are carbon dioxide and water molecules.

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3 years ago

The mass of a proton is 1.00728 amu andthat of a neutron is 1.00867 amu. What is the binding energy pernucleon (in J) of a Co nu

andreyandreev [35.5K]

Answer:

The binding energy per nucleon = 1.368*10^-12 (option D)

Explanation:

<u>Step 1:</u> Data given

The mass of a proton is 1.00728 amu

The mass of a neutron is 1.00867 amu

The mass of a cobalt-60 nucleus is59.9338 amu

Step 2: Calculate binding energy

The mass defect = the difference between the mass of a nucleus and the total mass of its constituent particles.

Cobalt60 has 27 protons and 33 neutrons.

The mass of 27 protons = 27*1.00728 u = 27.19656 u

The mass of 33 neutrons = 33*1.00867 u = 33.28611 u

Total mass of protons + neutrons = 27.19656 u + 33.28611 u = 60.48267 u

Mass of a cobalt60 nucleus = 59.9338 amu

Mass defect = Δm = 0.54887 u

ΔE =c²*Δm

ΔE = (3.00 *10^8 m/s)² *(0.54887 amu))*(1.00 g/ 6.02 *10^23 amu)*(1kg/1000g)

Step 3: Calculate binding energy per nucleon

ΔE = 8.21 * 10^-11 J

8.21* 10^-11 J / 59.9338 = 1.368 *10^-12

The binding energy per nucleon = 1.368*10^-12 (option D)

3 0

3 years ago

A titration was performed in a lab situation. H2SO4 was titrated with NaOH. The following data was collected: mL of NaOH used =

RoseWind [281]

For the titration we use the equation,
M₁V₁ = M₂V₂
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(0.15 M)(43.2 mL) = (2)(M₂)(20.5 mL)
We multiply the right term by 2 because of the number of H+ in H2SO4. Calculating for M₂ will give us 0.158 M. Thus, the answer is approximately 0.16M.

7 0

3 years ago

Read 2 more answers

Convert 18g of Li into atoms.

gizmo_the_mogwai [7]

The full decimal is 2.59328...
When you round up the answer is 2.6 atoms of Li

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3 years ago

If you begin with 4.0 grams of hydrogen and all of the oxygen that you need, how many grams of water can you make?​

If you begin with 4.0 grams of hydrogen and all of the oxygen that you need, how many grams of water can you make?