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m_a_m_a [10]
3 years ago
14

Why is sodium metal (very soft and can cut easily) stored under oil?

Chemistry
1 answer:
ioda3 years ago
7 0
Sodium is a very reactive metal. It is kept in kerosene to prevent it from coming in contact with oxygen and moisture. If this happens, it will react with the moisture present in air and form sodium hydroxide.
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Convert 0.00200 g into Mg and answer in scientific notation:
Masja [62]

Answer: 2.00x10^{2}

Explanation: 1 gram is equal to 1000 Milligrams so

0.00200g=\frac{1000mg}{1g}

Since you go straight across its just multiplication so 0.00200x1000=200mg

To answer it in scientific notation it should just be 2.00x10^{2} mg

5 0
2 years ago
When you light a match, there is a brief Smell that almost burns your nose
Diano4ka-milaya [45]

Answer:

Hdhgfrdf

Explanation:

8 0
4 years ago
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A substance has a volume of 10.0 cm³ and a mass of 89 grams. What is its density?
lara [203]

Answer:

8.9 g / cm^3

Explanation:

Density = mass / volume

We are given volume which is 10.0cm^3 (cm^3 is just fancy way of saying ml), and mass of 89 gram. Just plug them in respective spots.

Density = 89 / 10.0 = 8.9 g / cm^3

4 0
2 years ago
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In the United States, barometric pressures a re generally reported in inches of mercury (in. Hg). On a beautiful summer day in C
Svetllana [295]

Answer:

773.43 torr

Explanation:

From the question given above, the following data were obtained:

Pressure (in inHg) = 30.45 inHg

Pressure (in torr) =?

We can convert 30.45 inHg to torr by doing the following:

1 inHg = 25.4 torr

Therefore,

30.45 inHg = 30.45 inHg × 25.4 torr / 1 inHg

30.45 inhg = 773.43 torr

Thus, 30.45 inhg is equivalent to 773.43 torr

7 0
3 years ago
Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits.
svetoff [14.1K]
False maybe I think it is
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3 years ago
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