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iogann1982 [59]
4 years ago
14

Evaluate the expression for x=4 and y=3 4x-3y

Chemistry
1 answer:
Harrizon [31]4 years ago
3 0

Answer:

7

Explanation:

4 times 4 - 3 times 3

16-9

7

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HELP ME !!
lorasvet [3.4K]

Answer:

Yes

Explanation:

AsH3 contains a polar bond.

3 0
4 years ago
A certain material has a mass of 12.48 g while occupying 12.48 cm3 of space. What is this material?
Salsk061 [2.6K]
This material has a density of 1 g/cm3.
(since 12.48 g/ 12.48 cm3 = 1 g/cm3)

Therefore, this material is water.
5 0
3 years ago
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Most nonmetals form covalent or ionic bonds, depending on the element with which they react. Carbon predominantly forms covalent
valentinak56 [21]
A)Calcium-This because calcium has two valence electrons hence it is a metal therefore it will form an ionic bond with carbon.
3 0
3 years ago
potassium and chlorine react to form potassium chloride. a.it is a redox reaction,explain why. b.see if u can write a balanced e
Elan Coil [88]

Answer:

<em>K</em><em>+</em><em>Cl</em><em /><em>KCl</em>

Explanation:

because the reaction is between metal Potassium and Non-metal Chlorine

8 0
3 years ago
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What is it called when a nucleus ejects high energy photons
Burka [1]

Answer:

Photodisintegration!

Explanation:

also called Phototransmutation, in physics, nuclear reaction in which the absorption of high-energy electromagnetic radiation (a gamma-ray photon) causes the absorbing nucleus to change to another species by ejecting a subatomic particle, such as a proton, neutron, or alpha particle.

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