3 years ago

The correct answer is c. Energy processing from corn biofuels is not energy efficient.

Chemistry

1 answer:

ICE Princess25 [194]3 years ago

8 0

Exellent!!!!!!!!!!!!!!

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If i have about 68.2 grams of H2S, how many moles do i have?

natita [175]

Answer:

2.1 mol

Explanation:

68.1g / 34.1 g/mol = 2.1mol

6 0

4 years ago

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HELP SOMEONE PLEASE I WILL GIVE BRAINLIST I NEED IT NOW PLZ! LOOK AT THE IMAGE ABOVE TO ANSWER

MAVERICK [17]

Answer:

its endothermic .

because your using a cooling process instead of a heating process if it was a heating process it would be exothermic

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3 years ago

Explain what needs to happen for the box to start moving

VMariaS [17]

Answer:

It needs an force in the opposite direction.

Explanation:

Example:

The box is on a flat surface. You use your hands to push it. You have to push it in the opposite direction.

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3 years ago

The reaction 3 BrO- (aq) --> BrO3- (aq) + 2 Br - (aq) in basic solution is second order in BrO-(aq) with a rate cons

Phoenix [80]

Answer:

0.124 M

Explanation:

The reaction obeys second-order kinetics:

$r = k[BrO^-]^2$

According to the integrated second-order rate law, we may rewrite the rate law in terms of:

$\dfrac{1}{[BrO^-]_t} = kt + \dfrac{1}{[BrO^-]_o}$

Here:

$k$ is a rate constant,

$[BrO^-]_t$ is the molarity of the reactant at time t,

$[BrO^-]_o$ is the initial molarity of the reactant.

Converting the time into seconds (since the rate constant has seconds in its units), we obtain:

$t = 1.00 min = 60.0 s$

Rearranging the integrated equation for the amount at time t:

$[BrO^-]_t = \dfrac{1}{kt + \dfrac{1}{[BrO^-]_o}}$

We may now substitute the data:

$[BrO^-]_t = \dfrac{1}{0.056 M^{-1}s^{-1}\cdot 60.0 s + \dfrac{1}{0.212 M}} = 0.124 M$

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3 years ago

Calculate the pH for the following solutions and indicate whether each solution is acidic or basic.

mojhsa [17]

Answer:6=base

Explanation:

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3 years ago