Claudia and her team of scientists develop a new car battery that recharges electric cars at a fast rate.

Chemistry

1 answer:

Doss [256]3 years ago

7 0

Answer: Waste Operators will handle less hazardous material.

Explanation: Since the electric car is electric it produces hazardous material and now that it doesn't it wont.

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The molecular formula for butane is C4H10. Determine the percent composition for

masya89 [10]

%Mass

Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol

$\tt C=\dfrac{4.12}{58}\times 100\%=82.8\%\\\\H=100\%-82.8\%=17.2\%$

$\tt H=\dfrac{10.1}{58}\times 100\%= 17.2\%$

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3 years ago

For 30 points! Please help me understand this question

oksian1 [2.3K]

Answer:

D) Adding a catalyst

Explanation:

Adding a catalyst decreases activation energy and allows the reaction to occur more easily.

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How many grams of NH3 can be produced from the reaction of 28g of N2 and 25g of H2?

Reika [66]

N2 + 3H2 = 2NH3
so, NH3 = (N2 + 3H2)/ 2
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3 years ago

According to Newton's Second Law of Motion, when an object is acted on by an unbalanced force, how will that object respond?

marissa [1.9K]

Newton's Second Law states:
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since the net force and the acceleration ar directly proportional, as the net force increases the acceleration will increase.

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3 years ago

What are two ways to change the solubility of a solute?

Anna11 [10]

Answer:

Change the temperature and pressure

Explanation:

In case we are analyzing the solubility of a salt in some solvent, raising the temperature would increase the solubility of a salt generally. In contrast, at lower temperatures the solubility of ionic salts would decrease.

Now, another variation of this scenario might be solubility of gases. According to Henry's Law, $S = k_Hp$ , meaning that the solubility of a gas is directly proportional to its partial pressure. Therefore, the greater the pressure, the greater the solubility of a gas.

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