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N76 [4]
3 years ago
9

Which processes must happen for sand to eventually become metamorphic rock? In one to two sentences, name and briefly describe t

he processes. PLZZZZZZZZZ HELPP ASAP, IM NOT TRYING TO BE RUDE BUT I ONLY HAVE VERY LITTLE TIME TO FINISH THIS
Chemistry
1 answer:
trapecia [35]3 years ago
4 0

Answer:

Sand may be deposited as sediments that become sedimentary rocks after hardening, or lithifying. Extreme burial pressure, rising temperature at depth, and a lot of time, will transform just about any rock to become a metamorphic rock.

Explanation:

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What is the speed at which molecules or atoms move dependent on temperature and state of matter?
Helga [31]
Kinetic energy is the speed at which molecules or atoms move dependent on the temperature and state of matter
3 0
4 years ago
An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 6.50 g of this compound produced 9.53 g o
OverLord2011 [107]

Answer:

There were 0.216 moles of oxygen in the sample

Explanation:

Step 1: Data given

Mass of compound = 6.50 grams

Mass of CO2 = 9.53 grams

Molar mass of CO2 = 44.01 g/mol

Mass of H2O = 3.90 grams

Molar mass H2O = 18.02 g/mol

Step 2: Calculate moles CO2

Moles CO2 = 9.53 grams / 44.01 g/mol

Moles CO2 = 0.217 moles

Step 3: Calculate moles C

For 1 mol CO2 we have 1 mol C

For 0.217 moles CO2 we have 0.217 moles C

Step 4: Calculate mass C

Mass C = 0.217 moles C *12.01 g/mol

Mass C = 2.61 grams

Step 5: calculate moles H2O

Moles H2O = 3.90 grams / 18.02 g/mol

Moles H2O = 0.216 moles

Step 6: Calculate moles H

In 1 mol H2O we have 2 moles H

In 0.216 moles H2O we have 0.433 moles H

Step 7: Calculate mass H

Mass H = 0.433 moles * 1.01 g/mol

Mass H = 0.437 grams

Step 8: Calculate mass O

Mass O = 6.50 grams - 2.61 grams - 0.437 grams

Mass O = 3.453 grams

Step 9: Calculate moles O

Moles O = 3.453 grams / 16.0 g/mol

Moles O = 0.216 moles

There were 0.216 moles of oxygen in the sample

4 0
3 years ago
Where would the equation C15H31 with sodium hydroxide take place?
stiv31 [10]

Answer:

Chemical Equation Balancer C15H31COOH+NaOH = C15H31COONa+H20

Explanation:

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5 0
3 years ago
How many moles are there in 44.71 g of chlorine (cl)? use significant figures?
krok68 [10]

Mass of chlorine  = 44.71 g (given)

Molar mass of chlorine  =35.45 g/mol

Now, number of moles is defined as the ratio of given mass in gram to the molar mass of the compound.

Number of moles  = \frac{given mass in g}{molar mass}

Number of moles of chlorine  =\frac{44.71 g}{35.45 g/mol}

= 1.26121297 moles

Now, according to significant figure rules, the least number of significant figure in the question identifies the number of significant figures in the solution.

Thus, in question, both digit have four significant figures, therefore, the answer must be in four significant figures.

Hence, number of moles of chlorine = 1.261 moles

7 0
4 years ago
Aluminum fluoride contains only aluminum and fluorine. what is the formula for this compound?
attashe74 [19]
AlF3 would be the answer
3 0
3 years ago
Read 2 more answers
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