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anygoal [31]
3 years ago
6

In photosynthesis, the reactants are more stable than the products. However, both the products and reactants are stable. Therefo

re, the photosynthesis reaction will ______ energy and _________ it in the chemical bonds. A) absorb, store B) release, store C) absorb, release D) release, release
Chemistry
2 answers:
Zielflug [23.3K]3 years ago
8 0

Answer:

A) absorb, store  

Explanation:

In photosynthesis an endothermic reaction occurs, where light energy is converted into chemical energy in the form of sugars. In this process, which is powered by light energy, glucose molecules are created from water and carbon dioxide, while oxygen is released as a by-product. The molecules of glucose are stored by the plant and then be used.

My name is Ann [436]3 years ago
3 0

Answer:

A.) Absorb and store

Explanation:

The reaction for photosynthesis is:

6CO_{2}+ 12H_{2}  O → C_{6} H_{12} O_{6}  +6H_{2} O  (reaction conditions: light and chlorophyll)

<em>carbon dioxide + water → glucose + water</em>

<em />

This means light energy is <u>absorbed</u> and <u>stored</u> as sugar molecules and energy for the plant

Therefore, the photosynthesis reaction will <u>  absorb  </u> energy and <u>  store  </u> it in the chemical bonds.

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2) Nitrogen gas will react with hydrogen gas to produce ammonia, NH3, How many
Delicious77 [7]

Answer:

12 grams of hydrogen gas

and 56 grams of nitrogen gas

The molar mass of ammonia is 17 g/mol.

68 grams of ammonia corresponds to  

17g/mol

68g

​

=4moles

4 moles of ammonia will be obtained from  

2

4×1

​

=2  moles of nitrogen and  

2

4×3

​

=6  moles of hydrogen.

The molar masses of nitrogen and hydrogen are 28 g/mol and 2 g/mol respectively.

2 moles of nitrogen corresponds to 2×28=56  grams.

6 moles of hydrogen corresponds to 6×2=12  grams.

5 0
2 years ago
How much carbon will turn into carbon 14 every year?<br><br> Science<br> Please help asap
saw5 [17]

Answer:

There are three naturally occurring isotopes of carbon on Earth: carbon-12, which makes up 99% of all carbon on Earth; carbon-13, which makes up 1%; and carbon-14, which occurs in trace amounts, making up about 1 or 1.5 atoms per 1012 atoms of carbon in the atmosphere.

Names: carbon-14, C-14, radiocarbon

Isotope mass: 14.003241 u

Half-life: 5,730 ± 40 years

Symbol: 14C

Explanation:

Pls give me brainliest

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5 0
2 years ago
Calculate the minimum concentration of Mg2+ that mustbe added to 0.10 M NaF in order to initiate a precipitate ofmagnesium fluor
blondinia [14]

Answer:

E. 6.9 E-7 M

Explanation:

  • NaF  →  Na+   +     F-

      0.10M   0.10M    0.10M

  • MgF2 ↔ Mg2+  +    2F-

eq:     S             S          2S + 0.1

∴ Ksp = 6.9 E-9 = [Mg2+][F-]² = (S)(2S+0.1)²

if we compared the concentration ( 0.1 M ) with the Ksp ( 6.9 E-9 ); then we can neglect the solubility as adding:

⇒ Ksp = 6.9 E-9 = (S)(0.1)² = 0.01S

⇒ S = 6.9 E-9 / 0.01 = 6.9 E-7 M

6 0
3 years ago
C3H8 + O2 → CO2 + H2O
Irina18 [472]

Explanation:

Balance the following equation: C3H8 + O2 ----> CO2 + H2O. (There will be no need for state symbols.) First of all, to balance these equations, list the number of each atom, for both sides of the equation. In this example, it would be: The first step would be to balance out the carbons on the products side by multiplying CO2 by 3.  The balanced chemical equation for C3H8 +O2 = CO2 + H2O is C3H8 +5O2 = 3CO2 +4H2O. This is the chemical reaction in which C3H8 or propane burns in air or oxygen to produce carbon dioxide and water.

6 0
2 years ago
If an object moves in uniform circular motion in a circle of radius R=2.00 meters, and the object takes 5.00 seconds to
Minchanka [31]

Answer:

The centripetal acceleration of the object is 315.5\ m/s^2.  

Explanation:

We have,

Radius of a circular path is 2 m

It takes 5 seconds to complete 10 revolutions. It means its angular velocity is :

\omega=\dfrac{\Delta \theta}{\Delta t}\\\\\omega=\dfrac{2\pi \times 10}{5}\\\\\omega=12.56\ rad/s

The centripetal acceleration of the object is given by :

a=\omega^2 r\\\\a=(12.56)^2 \times 2\\\\a=315.5\ m/s^2

So, the centripetal acceleration of the object is 315.5\ m/s^2.

5 0
3 years ago
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