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3 years ago

Which of the following is NOT a product of photosynthesis?

Chemistry

2 answers:

mylen [45]3 years ago

7 0

Answer:

D. Carbon Dioxide

Explanation:

Carbon is what enters the plant. It isn't a product of the plant.

ryzh [129]3 years ago

3 0

B is the answer..............

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A 150.0 mL sample of a 1.50 M solution of CuSO4 is mixed with a 150.0 mL sample of 3.00 M KOH in a coffee cup calorimeter. The t

svp [43]

Mols CuSO4 = M x L = 1.50 x 0.150 = 0.225
mols KOH = 3.00 x 0.150 = 0.450 
specific heat solns = specific heat H2O = 4.18 J/K*C 

CuSO4 + 2KOH = Cu(OH)2 + 2H2O 
q = mass solutions x specific heat solns x (Tfinal-Tinitial) + Ccal*deltat T 
q = 300g x 4.18 x (31.3-25.2) + 24.2*(31.3-25.2) 
dHrxn in J/mol= q/0.225 mol CuSO4 
Then convert to kJ/mol

5 0

3 years ago

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I break and shatter easily and I am not shiny. What am I?

Troyanec [42]

Answer:

Uhh a heart? i.dk

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2 years ago

1. A mixture of 3 gases (A, B, and C) has a total pressure of 240kPa. If the partial pressure of

Gala2k [10]

Answer:

78 kPa

Explanation:

The total pressure is the sum of the partial pressures:

240 = Pa + Pb + Pc

240 = 107 + 55 + Pc

Pc = 78 kPa

5 0

3 years ago

Read 2 more answers

7. La constante de equilibrio Kc, se halla :

dolphi86 [110]

Answer:

Molaresحخىطنصثىخرنص رهصجتخطرةصخىر رصىشطثرىنصكرىصخكترة شصر

6 0

3 years ago

Write a balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air.

Lelechka [254]

Answer: The balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air is $CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$ .

Explanation:

When a substance tends to gain oxygen atom in a chemical reaction and loses hydrogen atom then it is called oxidation reaction.

For example, chemical equation for oxidation of methane is as follows.

$CH_{4} + O_{2} \rightarrow CO_{2} + H_{2}O$

Number of atoms present on reactant side are as follows.

C = 1
H = 4
O = 2

Number of atoms present on product side are as follows.

C = 1
H = 2
O = 3

To balance this equation, multiply $O_{2}$ by 2 on reactant side. Also, multiply $H_{2}O$ by 2 on product side. Hence, the equation can be rewritten as follows.

$CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$

Now, the number of atoms present on reactant side are as follows.

C = 1
H = 4
O = 4

Number of atoms present on product side are as follows.

C = 1
H = 4
O = 4

Since, the atoms present on both reactant and product side are equal. Therefore, this equation is now balanced.

Thus, we can conclude that balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air is $CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$ .

4 0

2 years ago