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Kaylis [27]
3 years ago
7

Zero is the freezing temperature of water on which temperature scale?

Chemistry
1 answer:
DanielleElmas [232]3 years ago
3 0
Zero is the freezing temperature of water on the Celsius scale.
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b. Determine the molecular formula of a molecule with an empirical formula NH2and a molar mass of 32 g/mol.
VladimirAG [237]
I'm taking this lesson now, so imma help u ( if u need anything else ask me)

so given Molar mass= 32 g/mol
molar mass= (empirical formula) n
32 = (14x1 + 2x1) n
32 = 16 n , so n= 2
so, molecular formula= N2H4
5 0
3 years ago
How does temperature relate to density? A- As temperature increases density increases. B- As temperature decreases density decre
SVEN [57.7K]

Answer:

The answer is c

Explanation:

8 0
2 years ago
Can someone please help and list what each type of thing they are? (Element, Compound, Mixture of elements, Mixture of compounds
enot [183]
1. B
2. C
3. E
4. D
5. A
6. B
7. A
8. E
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Hope this helps!
5 0
3 years ago
Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction.
koban [17]

Answer:

Cu+(aq)--->Cu2+(aq) + e- : oxidation

reason: there is loss of electrons.

I2(s) + 2e--->2I-(aq) : reduction

reason: There is reduction of electrons.

5 0
3 years ago
A firefighter applies a force of 2 N to lift the fire hose 3 meters up a ladder to put out a fire. How much work has the firefig
Paraphin [41]

Answer:

6 J

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Given, Force=2 N, Distance=3 meters

∴ Wok done (J) = 2 × 3 = 6 J.

5 0
3 years ago
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