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emmainna [20.7K]
3 years ago
5

What are cells? Check all that apply.

Chemistry
1 answer:
beks73 [17]3 years ago
6 0

Answer:

the basic structural and functional unit of all living beings

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This gardener started with much smaller plants in this park. Over time, the garden has grown into a large display of brilliant f
prohojiy [21]
Park :///////////////////
8 0
3 years ago
What mass of boron sulfide must be processed with 2.1 x 10 4g of carbon to yield 3.11 x 10 4 g of boron and 1.47 x 10 5 g of car
Basile [38]

The reaction between boron sulfide and carbon is given as:

2B2S3 + 3C → 4B + 3CS2

As per the law of conservation of mass, for any chemical reaction the total mass of reactants must be equal to the total mass of the products.

Given data:

Mass of C = 2.1 * 10^ 4 g

Mass of B = 3.11*10^4 g

Mass of CS2 = 1.47*10^5

Mass of B2S3 = ?

Now based on the law of conservation of mass:

Mass of B2S3 + mass C = mass of B + mass of CS2

Mass of B2S3 + 2.1 * 10^ 4 = 3.11*10^4 + 1.47*10^5

Mass of B2S3 = 15.7 * 10^4 g


4 0
4 years ago
In the following reaction, which is a Brønsted-Lowry base?
Mariulka [41]

Answer:

C2O42–(aq)

Explanation:

This accepted hydrogen from H3O (hydronium) so it is a Bronsted-Lowry Base.

7 0
2 years ago
22.4 liters of a gas at a constant temperature of zero Celsius and a pressure of 1 atmosphere is compressed to a volume of 6.2 l
zhannawk [14.2K]
<h2>Hello!</h2>

The answer is: The new pressure of the gas is 3.6 atm.

<h2>Why?</h2>

From the statement we know that the gas is kept at a constant temperature of 0°C, so, if the gas keeps a constant temperature we can use the Boyle's Law to solve this problem.

The Boyle's Law states that:

P_{1}V_{1}=P_{2}V_{2}

Where,  

P is the pressure of the gas.

V is the volume of the gas.

So, the given information is:

V_{1}=22.4L\\P_{1}=1atm\\V_{2}=6.2L

Now, substituting it into the Boyle's Law equation to calculate the new pressure, we have:

P_{1}V_{1}=P_{2}V_{2}\\\\1atm*22.4L=P_{2}*6.2L\\\\P_{2}=\frac{1atm*22.4L}{6.2L}=3.6atm

So, the new pressure is 3.6 atm.

Have a nice day!

4 0
4 years ago
The carbon dioxide is released when limestone is heated during the<br> production of _____?
mezya [45]

Carbon dioxide is released when limestone is heated during the production of \sf\purple{cement}. ✔

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

4 0
4 years ago
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