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Stella [2.4K]
3 years ago
5

Which lists only metalloids?

Chemistry
1 answer:
zmey [24]3 years ago
4 0

Answer:

Your answer is <em>B</em>

Explanation:

Here's a table of all the metalloids, some metalloids are not recognized by some but are by others so be careful.

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Identify the best practices when storing and using drying agents in the lab.
IrinaVladis [17]

Answer:

A. Close the drying agent container whenever it is not in active use.

C. Wrap the lid of the drying agent container with tape for storage.

Explanation:

Drying agents also known as desiccants are used in pharmaceutical, food and other manufacturing to keep substances dry. These drying agents are anhydrous and hygroscopic. The right usage of these products requires that they are always stored in an air-tight container.

When they are to be removed from a container containing a solvent, they are to be separated by filtration or decanting.

7 0
2 years ago
What is relative dating? A. the process of determining the order of events in geologic time B.process of determining a specific
Contact [7]

Answer:

A

Explanation:

8 0
3 years ago
Please help me with chemistry
Murljashka [212]

Answer:

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7 0
2 years ago
Convert 5.50 mol of MgO to g.
Fiesta28 [93]

Answer:

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7 0
1 year ago
12.70 L of a gas has a pressure of 0.63 atm. What is the volume of the gas at 105kPa?
Zielflug [23.3K]

Answer: 7.693 L

Explanation:

To calculate the new volume, we use the equation given by Boyle's law. This law states that pressure is directly proportional to the volume of the gas at constant temperature.

The equation given by this law is:

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=0.63atm\\V_1=12.70L\\P_2=105kPa=1.04atm(1kPa=0.009atm)\\V_2=?

Putting values in above equation, we get:

0.63\times 12.70mL=1.04\times V_2\\\\V_2=7.693L

Thus new volume of the gas is 7.693 L

6 0
3 years ago
Read 2 more answers
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