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irinina [24]
4 years ago
12

What the name of th compound Mg (NO3)2

Chemistry
1 answer:
telo118 [61]4 years ago
4 0
I'm almost certain that it is Magnesium Nitrate
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When two amino acids condense to form a dipeptide, what is the other product of the reaction? enter the molecular formula?
Viktor [21]
When amino acids are linked together, they form a peptide bond. When it joins two amino acids, it forms a dipeptide bond. When a long chain of amino acids are joined by peptide bonds, it becomes a protein. As shown in the picture, it loses H-OH molecules. So, it will appear in the product side as a H₂O molecule.

3 0
4 years ago
to chemicals mixed together to make heat physiacal or chemical change THATS IS ALL IMMA SAY ( DONT ANSWER IF THERES NO EXPLATION
Bond [772]

Answer:its a chemixal change because  there are stuff getting mixed togehter making it a chemiacl change

Explanation:

3 0
3 years ago
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)→CaO(s)+CO2(
Mazyrski [523]
Answer is: <span>mass of calcium carbonate needed is 120 grams.
</span>Chemical reaction: CaCO₃(s) → CaO(s) + CO₂(g)<span>.
</span>V(CO₂) = 27.0 L.
Vm = 22.4 L/mol.
n(CO₂) = V(CO₂) ÷ Vm.
n(CO₂) = 27 L ÷ 22.4 L/mol.
n(CO₂) = 1.2 mol.
From chemical reaction: n(CO₂) : n(CaCO₃) = 1 : 1.
m(CaCO₃) = 1.2 mol.
m(CaCO₃) = n(CaCO₃) · M(CaCO₃).
m(CaCO₃) = 1.2 mol · 100 g/mol.
m(CaCO₃) = 120 g.
3 0
4 years ago
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.4 grams of calcium metal? Show all of th
maks197457 [2]
9.9 liters is your answer

Hope this helps ;)
3 0
4 years ago
How many moles are in 6.8 x 10^23 molecules of NaOH? (show work please)
alexdok [17]

Answer:

1.13moles

Explanation:

no. of molecules,N= 6.8 x 10^23

Avogadro's constant, L= 6.02 x 10^23

no. of moles=N/L

=6.8 x 10^23/6.02 x 10^23

=1.13moles

3 0
4 years ago
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