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Paraphin [41]
2 years ago
11

Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. (3 points)

Chemistry
1 answer:
bonufazy [111]2 years ago
8 0

Answer:

Tin I thunk

Explanation:

I think

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Why do organisms need nitrogen?
RSB [31]
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For more information, look at the appendage below!</span>

6 0
3 years ago
What would you call the following chemical reaction, Zn(s) + H2O(g) – Zno (s) + H2(g)
egoroff_w [7]

I'd say it's single replacement/displacement

5 0
3 years ago
What type of relationship does temperature and pressure have?
blsea [12.9K]
Pressure is directly proportional to temperature.

<span>From the ideal gas law- </span>PV= nRT

by making P the subject of the formula, P= nRT/V

<span>This implies that Pressure is directly proportional to temperature, OR, as pressure increases, temperature will increase proportionally.</span>
5 0
3 years ago
A particular graduated cylinder contains 24.0 mL Br2(liquid). The density of bromine at 25 degrees C is 3.12g/cm^3. Note that in
motikmotik

Answer:

2.82x10^{23}molecules

Explanation:

Hello.

In this case, given the volume (1cm³=1mL) and density of the bromine we are to firstly compute the mass since it will allow us to compute the representative particles:

\rho =\frac{m}{V}

m=\rho *V=3.12g/cm^3*24.0cm^3\\\\m=74.88gBr_2

Next, since the mass of one mole of diatomic bromine is 159.82 g (one bromine weights 78.91), we can next compute the moles in that sample:

n=74.88g*\frac{1mol}{159.82g} =0.469molBr_2

Finally, via the Avogadro's number we can compute the representative particles of bromine as follows:

particles=0.469mol*\frac{6.022x10^{23}molecules}{1mol}\\ \\2.82x10^{23}molecules

Best regards.

4 0
3 years ago
The speed of a water wave is 6.2 meters/sec. Its wave length is 0.50 meters. What is its frequency, cycles/see?
rusak2 [61]
The answer is 0.001515, I hope this helps!
6 0
2 years ago
Read 2 more answers
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