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quester [9]
3 years ago
8

True or false boron carbon and nitrogen I have the same valence electrons

Chemistry
1 answer:
Alexxandr [17]3 years ago
4 0

Answer:

false

Explanation:

Because in a periodic table they are not located below each other and therefore do not have the same number of electrons.

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A hot air balloon is filled with of an ideal gas on a cool morning ( The air is heated to What is the volume of the air in the b
Leto [7]

Answer:

Charles's law states that V1 / T1 = V2 / T2. However, you must make sure that T is in Kelvin, not C.

1.19E6 / (11 + 273) = V2 / (113 + 273)

V2 = 1.62E6

Explanation:

Gases expand when heated if the container they are in is flexible. When the gas is heated its molecules move faster and faster. The collisions of the gas particles with the flexible container wall expand.

6 0
3 years ago
One orbit of the earth around the sun equals _____________ miles.
garri49 [273]

Answer:

it's about 580millon, but the closest you have is 595 million, so pick that one

4 0
3 years ago
Read 2 more answers
What is the term for a reaction in which a substance gains an electron
Scorpion4ik [409]

Every redox reaction consists of two parts, the oxidation and the reduction. Each one separately is called a half - reaction. During the redox reaction there is a transfer of electrons from the substance being oxidized to the substance being reduced.

7 0
3 years ago
What is the number of moles of solute in 250 mL of a 0.4 M solution?
mafiozo [28]

Answer:

0,1 mol

Explanation:

We know that the formula of concentration is C= moles of solute/ volume  

0,4 M= moles of solute/ 250 mL

Convert mL to L      250 mL =0,25 L

0,4 M x 0,25 L= moles of solute

0,1 moles= moles of solute

3 0
3 years ago
When copper is changed to copper(II) nitrate by the nitric acid, it is an example of a(n) ______-_______ reaction. (two words, i
Nataly_w [17]

Answer:

oxidation- reduction

Explanation:

where gaining electronic reduces one element and losing them oxidize the other nitric acid is not only strong it is also a oxidizing agent

<h2>Oxidize: copper = Cu+2</h2>
5 0
3 years ago
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