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babunello [35]
3 years ago
15

How do starch and ATP store and supply energy?

Chemistry
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer:

molecules store energy

Explanation:

Hope This Helps! ^^

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Ca(MnQ4)2 molar mass
Allisa [31]

Answer:

I think u mean molar mass of ca(Mno4)2

if so it is 277.949 g/ mol

8 0
2 years ago
How many valence electrons does a helium atom have? what is the formula of the ion formed when potassium achieves noble-gas elec
OlgaM077 [116]

> How many valence electrons does a helium atom have?

The electron configuration of Helium is simply 1s2. We see that its outermost shell is the s shell and it contains 2 electrons, therefore the number of valence electrons is also 2.

 

> What is the formula of the ion formed when potassium achieves noble-gas electron configuration?

Potassium has a electron configuration of [Ar] 4s1. To have an electron configuration of only [Ar] which is a noble gas, the one electron from 4s1 should be removed, hence:

<span>K+</span>

3 0
3 years ago
How do you determine the density of a substance or object?
Marizza181 [45]
Divide mass by volume
7 0
3 years ago
Read 2 more answers
Calculate the molarity of 48.0 mL of 6.00 M H2SO4 diluted to 0.250 L
const2013 [10]

Answer:

The answer is 1.15m.

Since molality is defined as moles of solute divided by kg of solvent, we need to calculated the moles of H2SO4 and the mass of the solvent, which I presume is water.

We can find the number of H2SO4 moles by using its molarity

C=nV→nH2SO4=C⋅VH2SO4=6.00molesL⋅48.0⋅10−3L=0.288

Since water has a density of 1.00kgL, the mass of solvent is

m=ρ⋅Vwater=1.00kgL⋅0.250L=0.250 kg

Therefore, molality is

m=nmass.solvent=0.288moles0.250kg=1.15m

4 0
3 years ago
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In the game of economics, goods are objects that fulfill peoples needs and ____.
Evgen [1.6K]

Goods are objects that fulfill peoples needs and wants.


4 0
2 years ago
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