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Greeley [361]
2 years ago
13

Help which one will it be

Chemistry
2 answers:
salantis [7]2 years ago
6 0

Answer:

D

Explanation:

Marrrta [24]2 years ago
6 0

Answer:

the answer is D I did that one in 5th grade

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what is matter that can not be divided into two or more diffrent types of matter by any physical or chemical called/
VikaD [51]

Answer an atom

Explanation:

6 0
3 years ago
An acid containing the cooh group is called a carbo-oxy acid.
Alexandra [31]
Yes if a molecule with a COOH group is called a carboxylic acid.

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4 0
3 years ago
Which events occurred during the space race
Roman55 [17]

Answer:

Date Significance Soviet Union Mission

August 21, 1957 First intercontinental ballistic missile (ICBM) R-7 Semyorka

October 4, 1957 First artificial satellite First signals from space Sputnik 1

November 3, 1957 First dog in orbit (Laika) Sputnik 2

January 31, 1958 First US satellite, detection of Van Allen radiation belts

Explanation:

8 0
3 years ago
Read 2 more answers
A 2.500g sample of compound containing only Carbon and Hydrogen is found containing 2.002g of Carbon. Determine the empirical fo
Dima020 [189]

The empirical formula : CH₃

<h3>Further explanation</h3>

Given

2.5 g sample

2.002 g Carbon

Required

The empirical formula

Solution

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= 2.5 - 2.002

= 0.498

Mol ratio C : H :

C : 2.002/12 = 0.167

H : 0.498/1 = 0.498

Divide by 0.167 :

C : H = 1 : 3

7 0
2 years ago
What is the pressure exerted by a 0.500 mol sample of nitrogen in a 10.0 L container at 20°C?
lidiya [134]
The answer would be D.120 kPa
6 0
3 years ago
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