3 years ago

What are at least two things people can do today to help protect Earth and reduce levels of CO2.

1 answer:

7 0

1. Instead of driving places you can walk/ ride a bike. Or you can car pool.
2. Reduce the amount of energy you use. This means using the heat/a.c, the oven, washer/dryer, etc.

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Convert 567 kg to grams

kodGreya [7K]

567000 would be in grams, hope this helps :)

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3 years ago

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A certain gas is present in a 15.0 LL cylinder at 2.0 atmatm pressure. If the pressure is increased to 4.0 atmatm the volume of

Helga [31]

Explanation:

According to Boyle's law, pressure of a gas is inversely proportional to its volume at constant temperature and moles.

Mathematically, P = $\frac{k}{V}$

where, k = proportionality constant

Also, formula for initial pressure and volume is as follows.

$P_{i} = \frac{k_{i}}{V_{i}}$

or, $k_{i} = P_{i} \times V_{i}$

= $2 atm \times 15 L$

= 30 atm L

Now, we will calculate the value of $k_{f}$ as follows.

$k_{f} = P_{f} \times V_{f}$

= $4 atm \times 7.5 L$

= 30 atm L

Hence, as $k_{i} = k_{f}$ this means that it signifies that gas obeys boyle's law.

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4 years ago

What is 8 correct things you do in the science LAB

Rina8888 [55]

1. put goggles on
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3 years ago

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What characteristic is descriptive of a solution?

Snezhnost [94]

A solution is a mixture of two or more substances combined so that it is uniform, which means you cannot see the components. <span />

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Is NaHCO3 a compound? Explain pls!

Slav-nsk [51]

Answer:

Yes it is

Explanation: because it is composed of identical molecules consisting of atoms of two or more chemical elements.

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