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WITCHER [35]
3 years ago
8

How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? the value o

f q is negative the value of q is positive the value of q remains constant the value of q decreases the value of q equals zero
Chemistry
1 answer:
Citrus2011 [14]3 years ago
5 0
<span>the value of q is positive</span>
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How many moles of a gas would occupy 11.4 L at 273K and 2.00 atm?
bagirrra123 [75]

Answer:

1.02mol

Explanation:

Using the general gas equation below;

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

According to the information provided in this question,

P = 2.0 atm

V = 11.4L

T = 273K

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Using PV = nRT

n = PV/RT

n = 2 × 11.4/ 0.0821 × 273

n = 22.8/22.41

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n = 1.02mol

3 0
2 years ago
What relationship exists between an enzyme and a catalyst?
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A catalyst is a chemical that increases the rate of a chemical reaction without itself being changed by the reaction. The fact that they aren't changed by participating in a reaction distinguishes catalysts from substrates, which are the reactants on which catalysts work. Enzymes catalyze biochemical reactions.

5 0
2 years ago
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_Cl2 + _NaBr → _NaCl + _Br2<br><br> Answer: 1,2,2,1
nlexa [21]
1 2 2 1 is the answer so u are correct
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3 years ago
The density of water at 400C is 0.992 g/mL What is the volume of 27.0 g of water at this temperature?
pantera1 [17]

Answer:

Volume of water at this temperature is 27.2 mL

Explanation:

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Here density of water is 0.992 g/mL

Here mass of water is 27.0 g

So volume=\frac{mass}{density}

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