2 years ago

1. A cube of wood having an edge length of 15.3 cm has a mass of 2800 grams. What is the

Chemistry

1 answer:

marusya05 [52]2 years ago

6 0

Answer:

a cube wood is mass ig haha sorry bby :(

Explanation:

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B vitamins are a group of water soluble compounds that are important in cell metabolism. Each one has a different chemical struc

Tom [10]

Molar mass of vitamin B1, C12H17N4OS = 265.34 g/ mol

Molar mass of vitamin B2, C17H20N4O6 = 376.37 g/ mol

Molar mass of vitamin B5, C9H17NO5 = 219.24 g/ mol

Molar mass of vitamin B6, C8H11NO3 = 169.18 g/ mol

Molar mass of vitamin B7, C10H16N2O3S = 244.31 g/ mol

Now,

Order of increasing molar mass = B6 < B5 < B7 < B1 < B2

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3 years ago

All the members of this family (inner transition metals) are both ______________ and _____________.

avanturin [10]

Answer:

The actinides and the lanthanides

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3 years ago

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Multiply or divide to find the equivalent fraction.<br><br> 51/120=□/360

jok3333 [9.3K]

Answer

153

Explanation:

51/120 = x/360

51(360) = 120x

18360 = 120x

18360/120x = 120x/120x

153 = x

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2 years ago

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A screw is a type of simple machine. If we look closely at a screw, we see that it is really a _________ wrapped around a centra

krek1111 [17]

I believe the answer in an inclined plane, because the ridge running along the sides run up the core. (Also, the other two answers are incorrect, so process of elimination)

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3 years ago

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Pick the correct products for the following reaction acid + metal reaction: 2 HNO3 + Co -->

MrMuchimi

Answer:

2. Co(NO3)2 + H2

Explanation:

Hello,

In this case, we are evidencing a simple displacement reaction wherein the cobalt is able displace the hydrogen to produce cobalt (II) nitrate and gaseous hydrogen as a result of cobalt's higher activity:

$2 HNO_3 + Co\rightarrow Co(NO_3)_2+H_2$

Therefore, answer is 2. Co(NO3)2 + H2.

Best regards.

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3 years ago

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