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JulijaS [17]
3 years ago
5

Which conclusion is best supported by the information?

Chemistry
2 answers:
lana66690 [7]3 years ago
7 0

Answer:

Sugar is considered a nonrenewable resource because it comes from living plants.

Explanation:

kobusy [5.1K]3 years ago
4 0

Answer:

The conclusion that is best supported by the aforementioned information is SUGAR IS NOT CONSIDERED A NON RENEWABLE RESOURCE BECAUSE IT COMES FROM LIVING PLANTS. The correct option is A. Non renewable resources are those resources that can not be replaced by natural mean as the same rate at which it is consumed, for example oil, while renewable resources are those that can be easily replaced as they are consumed. In case of sugarcane plants, another one can be readily planted.

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What is the process of gas changes to a solid
igor_vitrenko [27]

Answer:

Deposition is the phase transition in which gas transforms into solid

Explanation:

3 0
3 years ago
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Coke is an impure form of carbon that is often used in the in- dustrial production of metals from their oxides. If a sample of c
steposvetlana [31]

Answer:

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

Explanation:

2CuO+C\rightarrow 2Cu+CO_2

1 Ton = 907185 grams

Mass of copper oxide = 1.0 Ton = 907185 grams

Moles of copper oxide =\frac{907185 g}{79.55 g/mol}=11,403.95 moles

According to reaction, 2 moles of copper oxide reacts with 1 mole of carbon.

Then 11403.95 moles of copper oxide will react with:

\frac{1}{2}\times 11403.95 mol=5,701.98 mol of carbon

Mass of 5,701.98 moles of carbon:

5,701.98 mol\times 12 g/mol=68,423.75 g

Mass of coke = x

Mass of carbon = 68,423.75 g

Percentage of carbon in coke = 95%

95\%=\frac{68,423.75 g}{x}\times 100

x=720,250.09 g=0.794 Ton

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

3 0
3 years ago
13. A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the
wariber [46]

Answer:

13. 2.60 L.

14. 2.40 L.

Explanation:

We can use the general law of ideal gas: PV = nRT.

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

If n and T are constant, and have different values of P and V:

(P₁V₁) = (P₂V₂)

<em>13. A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the  pressure  is increased to 1.25 atm.</em>

P₁ = 0.755 atm, V₁ = 4.31 L.

P₂= 1.25 atm, V₂ = ??? L.

∴ V₂ = (P₁V₁)/(P₂) = (0.755 atm)(4.31 L)/(1.25 atm) = 2.60 L.

<em>14. 600.0 mL of a gas is at a pressure of 8.00 atm. What is the volume of the gas at 2.00  at m.</em>

P₁ = 8.0 atm, V₁ = 600.0 mL.

P₂= 2.0 atm, V₂ = ??? L.

∴ V₂ = (P₁V₁)/(P₂) = (8.0 atm)(600.0 mL)/(2.0 atm) = 2400/0 mL = 2.40 L.

3 0
3 years ago
At what temperature is the substance a heated gas ?
Scrat [10]
Probably, above 100 Degree Celsius.
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What is true about energy in an ordinary chemical reaction? Energy is
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Energy is not created or destroyed due to the law of Conservation of Energy. Hope this helps!
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