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LenKa [72]
1 year ago
5

100 POINTS!!!

Chemistry
2 answers:
Paul [167]1 year ago
6 0

what do u need help with u pls respond quickly

Pie1 year ago
3 0

Different masses will change its temperature at different rates when exposed to the same amount of thermal energy because the amount of mass affects an object’s ability to absorb thermal energy. Different materials will change the temperature at different rates when exposed to the same amount of thermal energy because each substance has its own specific heat.

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RoseWind [281]
Answer most suited would be A
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3 years ago
Read 2 more answers
Consider the total ionic equation below.
ZanzabumX [31]

Answer:

\boxed{\text{Ba}^{2+}}

Explanation:

\rm 2H^{+} + CrO_{2}^{3-} + \textbf{Ba}^{2+} + 2OH^{-} \longrightarrow \textbf{Ba}^{2+} + CrO_{2}^{4-} + 2H_{2}O

The spectator ions are the ions that are on both sides of the equation.

\text{In this equation, the spectator ions are }\boxed{\textbf{Ba}^{2+}}.

They are present at the beginning and at the end of the reaction. They don't take part in the reaction. They are simply "spectators" watching the other ions "do their thing."

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3 years ago
Please help me with this chem question it’s due by midnight. I know the answer choice isn’t C.
Vaselesa [24]

Answer:

I believe the answer is A

Explanation:

I hope this helps :)

5 0
3 years ago
If the hydrogen ion concentration, [H+], in a solution is 4.59 x 10-6 M, what is [OH-]?
atroni [7]

Answer:

2.18x10^-9 M

Explanation:

From the question given,

Hydrogen ion concentration, [H+] = 4.59x10^-6 M

Hydroxide ion, [OH-] =?

The hydroxide ion concentration, [OH-] in the solution can be obtained as follow:

[H+] x [OH-] = 1x10^-14

4.59x10^-6 x [OH-] = 1x10^-14

Divide both side by 4.59x10^-6

[OH-] = 1x10^-14 / 4.59x10^-6

[OH-] = 2.18x10^-9 M

6 0
3 years ago
Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or why not.
Slav-nsk [51]

Answer:

Explanation:

Of course. You cannot put in an 'x' amount of baking ingredients, then produce a meal that has more "mass" than what you have put in. Food will not spawn out of nowhere.

5 0
2 years ago
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