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EastWind [94]
3 years ago
13

a _ is a possible explanation for a problem using what you know and what you observe a-conclusion b-thesis c-theory d- hypothesi

s
Chemistry
1 answer:
Andrej [43]3 years ago
7 0
I'm pretty sure its A 
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___is the measure of a quantity of energy
aliya0001 [1]

Answer:

Heat is the measure of a quantity of energy.

Explanation:

Heat is thermal energy.

8 0
3 years ago
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Does pb(no3)2 + Na3(PO4) = Pb3(PO4)2 + Na(NO3) have a precipitate?
ipn [44]

Answer:

Yes, Pb3(PO4)2.

Explanation:

Hello there!

In this case, according to the given balanced chemical reaction, it is possible to use the attached solubility series, it is possible to see that NaNO3 is soluble for the Na^+ and NO3^- ions intercept but insoluble for the Pb^3+ and PO4^2- when intercepting these two. In such a way, we infer that such reaction forms a precipitate of Pb3(PO4)2, lead (II) phosphate.

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4 0
3 years ago
Status: No credit Points earned: 0.00/1.00
DIA [1.3K]

Answer:

Cu₂O.

Explanation:

copper = 7.298

copper oxide = 8.217

oxygen in copper oxide = .919 g

7.298 g of copper = 7.298 / 63.5 mole of copper

= .1149 mole of copper

.919 g of oxygen = .919 / 16 mole of oxygen

= .0574 mole of oxygen

ratio of mole of copper and oxygen

= .1149 / .0574 = 2

formula of copper oxide = Cu₂O.

8 0
4 years ago
Solve for x if 1/2x-3 + 5x/2x+6 =2​
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Answer:

by which method do you need

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3 years ago
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Why do you think the bird is included in phylum Chordata but not in class Mammalia
Elis [28]

Answer:

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Explanation: Hope it helped!

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6 0
3 years ago
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