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solmaris [256]
3 years ago
9

What Happens when the temperature of an object increases?

Chemistry
2 answers:
Pepsi [2]3 years ago
6 0
D) The objects particles move closer together.
algol [13]3 years ago
5 0

a). the objects particles move faster .

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The electron configuration of an element is shown below.
g100num [7]

Answer:

helium family or neon family

Explanation:

you can use p

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3 years ago
Calculate the volume of a 1.25 M solution of HCN made from 31 grams of HCN
fenix001 [56]

Answer:

V HCNsln = 0.9176 L

Explanation:

V HCNsln = ?

∴ m HCN = 31 g

∴ <em>C</em> HCNsln = 1.25 mol/L

∴ molar mass HCN = 27.0253 g/mol

⇒ V HCNsln = (31 g)*(mol/27.0253 g)*(L/1.25 mol) = 0.9176 Lsln

5 0
3 years ago
How to calculate the frequency of an ion
sergij07 [2.7K]

solution:

You need to find the frequency, and they have already given you the wavelength. And since you already know the speed of light, you can use formula (2) to answer this problem. Remember to convert the nano meters to meters because the speed of light is in meters. (1 nm = 1.0 x 10^{-9} m)

v=c\lambda \\v= (3.00 \times 10^8 m/s)/(6.9\times 10^-7 m) \\v = 4.35 \times 10^{14} s^{-1}

8 0
3 years ago
Okay help please will give brainlist
pashok25 [27]

Answer:

b.

Explanation:

hope that helped you

3 0
3 years ago
Question 2 of 5
Nataly_w [17]

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The answer is C because machines such as tractors and sprinklers are counted as technology, and are better examples than pesticides.

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