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bulgar [2K]
2 years ago
11

What type of change forms a new substance?

Chemistry
1 answer:
marusya05 [52]2 years ago
6 0

Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.

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need help is due tommorow about glacier.the question is this how might this affect the earth contients?
mestny [16]
Well the glaciers can melt and add more water to the oceans/seas and some animals that live in the North Pole will have no where to go...EXAMPLE: polar bears ,penguins, walruses, etc use the glaciers. Polar bears jump onto them to get to land or if they are fighting a walrus they have more fighting ground on land than in the water,etc. (There's a lot more info I just don't know if it's the correct info but what I'm telling you right now is 90% true lol.) also some of the land land can sink like islands or peninsulas(I think)
3 0
3 years ago
If the 3d and 4s bands overlap in a metal atom, what is the maximum number of electrons for this composite band? express your an
Roman55 [17]

Hey there!

3d band can hold as many as 10 electrons, while 4s can bear as many as two electrons.

The maximum number of electrons for this composite band should be 12 electrons.

Hope that helps!

3 0
3 years ago
The half-life of phosphorus-32 is 14.30 days. how many milligrams of a 20.00 mg sample of phosphorus-32 will remain after 85.80
ZanzabumX [31]
The amount of sample that is left after a certain period of time, given the half-life, h, can be calculated through the equation.

             A(t) = A(o) (1/2)^(t/d)

where t is the certain period of time. Substituting the known values,

             A(t) = (20 mg)(1/2)^(85.80/14.30)

Solving,

           A(t) = 0.3125 mg

Hence, the answer is 0.3125 mg. 
7 0
3 years ago
SOMEONE HELP ME ASAP!!!
nata0808 [166]

Answer:

A

Explanation:

4 0
2 years ago
Read 2 more answers
What is the molarity of a solution that is prepared by adding 3 moles of CaSO4 in 1.5 L of water?
blondinia [14]

Answer:

[CaSO_4] = 2 mol/L

Explanation:

[CaSO_4] = \frac{3 mol}{1.5 L} = 2 mol/L

6 0
2 years ago
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