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ELEN [110]
2 years ago
8

Use your data to form hypothesis relating the amount of light to the rate of photosynthesis.

Chemistry
2 answers:
VladimirAG [237]2 years ago
6 0
B is the answer I think so
natka813 [3]2 years ago
3 0

Answer:

its b i just dod it hop it helps

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Which of the following is true regarding the law of conservation of mass?
nexus9112 [7]
A is correct................
8 0
3 years ago
A quantity of gas occupies a volume of 804 mL at a temperature of 27 °C. At what temperature will the
irga5000 [103]

Answer:

T₂ = 150 K

Explanation:

Given data:

Initial volume of gas = 804 mL

Initial temperature = 27°C (27+273=300 K)

Final temperature = ?

Final volume = 402 mL

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

T₂ = V₂T₁/V₁  

T₂ = 402 mL × 300 K / 804 mL

T₂ = 120,600 mL.K / 804 mL

T₂ = 150 K

3 0
2 years ago
2. Calculate the standard free energy change
telo118 [61]

Answer:

-36.67 KJ

Explanation:

Now, we ,must find the  E°cell as follows;

E°cell= E°cathode -  E°anode

E°cathode= -0.25 V

E°anode = -  0.44 V

E°cell= -0.25 -(-  0.44) = 0.19 V

Equation of the reaction; Ni2+ (aq) + Fe(s) → Ni(s) +Fe2+ (aq)

Hence, n=2, there were two electrons transferred.

ΔG=-nFE°cell

ΔG= -(2 * 96,500 * 0.19)

ΔG= -36670 J

ΔG= -36.67 KJ

5 0
2 years ago
write an apology letter to your principal telling him why you were not in the mathematics competition.in 4000 words​
tensa zangetsu [6.8K]
OK now that’s a lot to ask for but if you want someone to actually do that you’re gonna need a lot more points
3 0
3 years ago
If 25 g of Al was added to 90 g of HCl, what mass of H2 will be produced?
jok3333 [9.3K]

Answer:

im pretty sure its 2.7 gms

Explanation:

im not for sure tho

3 0
2 years ago
Read 2 more answers
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