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MrMuchimi
3 years ago
5

What kind of rocks are produced by a volcanic eruptions

Chemistry
2 answers:
antiseptic1488 [7]3 years ago
8 0
The exact rocks that are produced during a volcanic eruption is an igneous rock
Galina-37 [17]3 years ago
5 0
The genuine rock relies on upon what sort of eruption you're discussing. The general grouping would be volcanic rock. Here are some particular cases: 
Shield volcanoes frequently shape basalt rock 
Cone volcanoes frequently shape andesite 
<span>Calderas regularly frame rhyolite</span>
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1) What is the mass of 6.2 mol of K2CO3?
lorasvet [3.4K]

Answer:

\boxed {\boxed {\sf 856.8648 \ grams \ of \ K_2CO_3}}

Explanation:

To convert from moles to grams, we must find the molar mass.

1. Molar Mass

First, identify the elements in the compound. K₂CO₃ It has potassium, carbon, and oxygen. Find these elements and their masses on the Periodic Table.

  • K: 39.098 g/mol
  • C: 12.011 g/mol
  • O: 15.999 g/mol

Note the subscript of 2 after K and 3 after O. We must multiply oxygen's molar mass by 2, then oxygen's by 3, and add carbon.

  • 2(39.098 g/mol) + 3(15.999 g/mol) + 12.011 g/mol= 138.204 g/mol

2. Convert Moles to Grams

Use the molar mass as a fraction.

\frac {138.204 \ g \ K_2CO_3}{1 \ mol \ K_23CO_3}

Multiply by the given number of moles: 6.2

6.2 \ mol \ K_2CO_3 *\frac {138.204 \ g \ K_2CO_3}{1 \ mol \ K_23CO_3}

6.2  *\frac {138.204 \ g \ K_2CO_3}{1 }

6.2  * {138.204 \ g \ K_2CO_3}

856.8648 \ g \ K_2CO_3

There are <u>856.8648 grams</u> of potassium carbonate in 6.2 moles.

4 0
3 years ago
1. Choose the alkyl halide(s) from the following list of C6H13Br isomers that meet each criterion below. 1) 1-bromohexane 2) 3-b
Vika [28.1K]

Answer:

See explanation

Explanation:

the compound that gives the fastest SN2 reaction with sodium methoxide- 1-bromohexane

the compound that gives the fastest SN1 reaction- 3-bromo-3-methylpentane

the compound(s) that undergo an SN1 reaction to give rearranged products- 1-bromo-2,2-dimethylbutane

the compound that is least reactive to sodium methoxide in methanol -

3-bromo-3-methylpentane

the compound(s) that can exist as diastereomers - 3-bromo-3-methylpentane

the compound(s) that can exist as enantiomers- 3-bromo-2-methylpentane

6 0
3 years ago
The symbol equation for combustion of a hydrocarbon is shown below. What number should go before the water product in order to b
almond37 [142]

Answer:

4

Explanation:

Since there are 3 carbons on the left side, make the coefficient of CO2 equal to 3.

Also, since there are 8 hydrogen on the left side, make the coefficient of H2O equal to 4.

This means there are 3(2)+4=10 oxygen atoms on the right, making the coefficient of O2 equal to 5.

5 0
3 years ago
Argon occupies a volume of 28.3 L at a pressure of 0.36 atm. Find the volume of argon when the pressure is increased to 0.85 atm
FromTheMoon [43]

Answer:

12

Explanation:

Boyles law

P1 (.36)

V1(28.3)

P2(.85)

V2(?)

P1*V1=P2*V2

plug it in, and you get 12

3 0
3 years ago
The most familiar type of ambulatory pharmacy is the
sashaice [31]
I believe a Community Pharmacy
8 0
3 years ago
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