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MrRa [10]
3 years ago
11

The specific heat of silver is 0.06 cal/g°C. Fifty grams of silver will require _____ calories to raise the temperature 1°C.  A.

0.06 B. 3  C. 30  D. 833
Chemistry
2 answers:
larisa86 [58]3 years ago
6 0

<span>The specific heat of silver is 0.06 cal/g°C. Fifty grams of silver will require _____ calories to raise the temperature 1ºC</span>

<span> the answer is  3  hope this helps :)</span>

evablogger [386]3 years ago
3 0
The formula to figure this out is:
Gain or loss of heat in calories= the mass in grams x specific heat in cal/g°C x the change in temperature.
So when the numbers are plugged in, it looks like this: (50 g) (.06 cal/<span>g°C)</span> (1 cal).
Multiply the numbers, and your answer is 3 calories. I hope it helps you out!
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Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
DedPeter [7]
Carbon + oxygen → carbon dioxide

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3 years ago
Considering 0.10 m solutions of each substance, which contains the smallest concentration of ions
mihalych1998 [28]

Question options:

A) K2SO4

B) FeCl₃

C) NaOH

D) NH₃

E) KCl

Answer:

D. NH₃

Explanation:

K2SO4 = 2 K+ + SO42-

[K+]= 2 x 1.0 = 2.0 M ; [SO42-] = 1.0 M

total concentrations of ions = 2.0 + 1.0 = <em>3.0 M</em>

FeCl3 = Fe3+ + 3Cl-

[Fe3+] = 1.0 M ; [Cl-] = 3 x 1.0 = 3.0

total concentration ions = 1.0 + 3.0 =<em> 4.0 M</em>

NaOH = Na+ + OH-

[Na+] = [OH-] = 1.0 M

total concentration ions = 1.0 + 1.0 = <em>2.0 M</em>

<u>NH3 is a weak acid so the concentration of NH4+ and OH- </u><u><em>< 2.0</em></u>

KCl = K+ + Cl-

[K+] = [Cl-] = 1.0 M

total concentration ions = 1.0 + 1.0 =<em> 2.0 M</em>

7 0
3 years ago
The temperature at which a substance in the liquid phase transforms to the gaseous phase refers to the substance's _______. A. s
murzikaleks [220]
When a substance goes from being a liquid to a gas it evaporates, or boils away. Think of boiled eggs.
3 0
3 years ago
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fill in the blank: 1.)the amount of space that matter fills is its.................. 2.)a state of matter with a definite volume
marshall27 [118]
1) mass

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3) liquid

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8 0
3 years ago
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Calculate the pH of a solution in which [OH–] = 4.5 × 10–9M.
posledela

Answer:

5.65 is the pH.

Explanation:

I am assuming that you are asking for confirmation on your answer. The answer is 5.65.

You would do:

[pOH] = -log[OH-]

          = -log[4.5*10^-9]

         equals about 8.3468

To find pH your would subtract the pOH from 14.

14-8.3468 = 5.65 << Rounded to match the answer choices.

7 0
3 years ago
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