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antoniya [11.8K]
3 years ago
11

Why ice melt into water​

Chemistry
2 answers:
disa [49]3 years ago
8 0
Heat gives more energy to the particles within ice. This allows them to move more freely, and will turn from a solid to a liquid.
azamat3 years ago
5 0
Ice melts into water because ice is a solid at first then it reeks into a liquid
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find the mass of h2 produced Binary compounds of alkali metals and hydrogen react with water to produce H2(g). The H2H2 from the
scZoUnD [109]

Answer: Mass of hydrogen produced is 0.0376 g.

Explanation:

The reaction equation will be as follows.

NaH(aq) + H_{2}O(l) \rightarrow H_{2}(g) + NaOH(aq)

Now, formula for total pressure will be as follows.

  P_{total} = P_{H_{2}} + P_{H_{2}O}

Hence,    P_{H_{2}} = P_{total} - P_{H_{2}O}

                            = 755 mm Hg - 42.23 mm Hg

                            = 712.77 mm Hg

P_{H_{2}} = \frac{712.77 \times 1 atm}{760 mm Hg}

             = 0.937 atm

Now, we will calculate the moles of H_{2} as follows.

   P_{H_{2}}V = nRT

   0.937 atm \times 0.505 L = n \times 0.0821 \times 308.15 K

      n = \frac{0.473}{25.29} mol

         = 0.0187 mol

Therefore, mass of H_{2} will be calculated as follows.

        m_{H_{2}} = \frac{0.0187 mol \times 2.0158 g}{1 mol}

                   = 0.0376 g

Thus, we can conclude that mass of hydrogen produced is 0.0376 g.

7 0
3 years ago
Which of the following explains a difference between genes and chromosomes
Levart [38]

Answer:

Dude I need the answers so i can help you!

Explanation:

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7 0
3 years ago
C2H6BrCl is a compound. What is the ratio of carbon to bromine atoms in the molecules!
lubasha [3.4K]

Answer:

3  1

Explanation:

3 0
4 years ago
What is the mass of 3.2 moles of Sulfur?​
FinnZ [79.3K]

Answer:

820.864 g

Explanation:

1) The atomic mass of sulfur (found from the periodic table) is 32.065 amu. Use this mass to find the molar mass of Sulfur. Sulfur is S8 so the molar mass of sulfur is:

8 × 32.065 = 256.52 g/mol

2) To find the mass use the formula:

m = n × M where <em>m</em><em> </em>is the mass, <em>n</em><em> </em>is the number of moles, and <em>M</em><em> </em>is the molar mass.

3)

m \: = 3.2 \times 256.52

m = 820.864 \: g

8 0
3 years ago
If you had excess chlorine, how many moles of aluminum chloride could be produced from 28.0 g of aluminum?
MaRussiya [10]

Answer:

1.04 moles of AlCl₃

Explanation:

Balanced Equation:  2Al°(s) + 3Cl₂(g) => 2AlCl₃(s)

Approach => convert given data (28 g Al°) to moles. The number of moles  AlCl₃ would equal the number of moles aluminum because coefficients for Aluminum and Aluminum Chloride are equal.

moles Al° = (28g)/(27g/mole ) = 1.04 mole Al°

From balanced equation moles AlCl₃ produced equals moles of Al° produced = 1.04 mole AlCl₃ because coefficients of Al° & AlCl₃.

5 0
4 years ago
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