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mariarad [96]
2 years ago
13

Which substance is not a solid at 20˚C and one atmosphere of pressure?

Chemistry
1 answer:
levacccp [35]2 years ago
3 0
Choose A, Kr is noble gas
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Well ionic compounds are brittle because similar charges repel, which causes them to break usually occurring when a force is applied, like a hammer strike. 
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a sample of gold required 2.1200j of heat to melt it from room temperature, 22.0 degrees celsius to its melting point, 1064.4 de
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The amount of heat(q) required to raise m grams of a substance-specific C from T1 to T2 is given by

q=m C (T2-T1) ........1

Given : q= 2.1200 J

the initial temperature of gold, T1 = 22.0Celcius

the final temperature of gold, T2 = 1064.4Celcius

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putting values in eq 1:

⇒ 2.1200 = m × 0.131 × (1064.4-22)

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Since 1g= 0.01552494829 Pounds

Mass of Gold = 267.165 ×  0.01552494829

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Learn more about temperature here: brainly.com/question/11464844

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1 year ago
Whats minimum temperature for scrabble eggs
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Answer:

of 160° F. Scrambled eggs need to be cooked until firm throughout with no visible liquid egg remaining.

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8 0
3 years ago
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If 4.50 g of (nh4)2so4 is dissolved in enough water to form 250. ml of solution, what is the molarity of the solution?
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Take the number of moles over the number of liters
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At which temperature would a can of soda be most fizzy when it is opened? 30°C 40°C 20°C 10°C
Helga [31]

The answer to your question is 40° because freezing temp for a liquid is 32°

4 0
3 years ago
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