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choli [55]
3 years ago
14

Please write balanced equations for these reactions! WILL GIVE BRAINLIEST! 50 POINTS

Chemistry
1 answer:
Romashka [77]3 years ago
3 0

Answer:

(NH4)2S(aq) + Pb(NO3)2(aq) --> 2NH4NO3 (aq) + PbS (s)

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How many orbitals are completely filled
Vlad1618 [11]
1s^2 = filled
2s^2 = filled
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3 orbitals are completely filled.
3 0
4 years ago
Which of the following describes a reference point?
Vitek1552 [10]

Answer:

A

Explanation:

i think the answer is A

5 0
4 years ago
Earth is approximately 1.5x10^8 km from the sun. The speed of light is 3.0x10^8. How many minutes does it take for light to reac
Masteriza [31]
1.5 x 10^{8} mm = 1500 x 10^{8} m

1500 x 10^{8} / ( 3.0 x 10^{8} ) = 500 s

500/60 = 8.3 

So approximately it takes 8.5 minutes 


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3 0
4 years ago
The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic interaction between the ions and
Citrus2011 [14]

Answer:

NaCl>MgCl2> MgS>KBr

Explanation:

The smaller the cation, the higher the lattice energy of the compound

8 0
3 years ago
Based on the kinetic theory, which statement is true? (5 points)
Hoochie [10]

Answer:

the particles of matter are arranged in different ways for the different states

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