3 years ago

What effect does the water temperature have on solution rate hypothesis?

1 answer:

5 0

if the table have more density, then the temperature of the water increases

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Anit [1.1K]

Milk. Everything else is a compound/alloy.

4 0

3 years ago

professor190 [17]

The atomic mass of the element would simply be equal to the sum of the weighted average of each isotope, that is:

atomic mass = 59.015 amu * 0.717 + 62.011 amu * (1 – 0.717)

atomic mass = 59.863 amu

4 0

3 years ago

lianna [129]

B. Most species that have lived on earth are now extinct. Ap3x

3 0

2 years ago

Ede4ka [16]

Answer: $2.12\times 10^{25}$ atoms of hydrogen are there in

35.0 grams of hydrogen gas.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{35.0g}{2g/mol}=17.5moles$

1 mole of hydrogen $(H_2)$ = $2\times 6.023\times 10^{23}=12.05\times 10^{23}$ atoms

17.5 mole of hydrogen $(H_2)$ = $\frac{12.05\times 10^{23}}{1}\times 17.5=2.12\times 10^{25}$ atoms

There are $2.12\times 10^{25}$ atoms of hydrogen are there in

35.0 grams of hydrogen gas.

8 0

3 years ago

anastassius [24]

Answer:

should be 58.6c

Explanation:

6 0

2 years ago