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slamgirl [31]
2 years ago
14

A reaction occurs when one compound reacts and is broken down into different elements or simpler compounds.

Chemistry
2 answers:
dangina [55]2 years ago
8 0

Answer:

decomposition on edg

Explanation:

Inessa [10]2 years ago
3 0

Answer:

Decomposition Reaction

Explanation:

If you are referring to what type of reaction that occurred then the answer would be decomposition reaction.

This is a chemical reaction where one reactant is broken down into two or more products.

REACTANT → PRODUCT

       AB       →      A + B

The products can be two or more elements or two or more compounds, depending on what was decomposed.

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How many grams are 2.50 * 10^23 molecules of CaO?
jolli1 [7]

134.56 grams are 2.50 * 10^23 molecules of CaO.

Explanation:

According to Avagadro hypothesis, 1 mole of a substance contain 6.023 x 10^23 molecules or particles.

Data given:

Number of molecules of CaO =

FORMULA USED IN CALCULATION:

number of molecules = 6.02 x 10^23 x number of moles of CaO

At first number of moles is calculated:

\frac{6.02 x 10^23}{2.50 X 10^23}

= 2.4 moles of CaO is present

to calculate the mass of CaO in grams formula used is

mass = atomic mass x number of moles

atomic mass of CaO = 56.07 grams/mole

mass = 2.4 x 56.07

          = 134.56 grams of calcium oxide is present is 2.50 * 10^23 molecules of CaO.

5 0
3 years ago
Riya rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour? Be sure to include the equation for sp
antoniya [11.8K]
Time t=270 minutes=270/60=9/2 hours
distance s=63 miles
average speed v=s/t=63 ÷\frac{9}{2}
=63×\frac{2}{9}
=14 miles/hour
6 0
3 years ago
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what woul
gayaneshka [121]

Answer:

10°C  

Explanation:

Heat gain by water = Heat lost by the slice of pizza

Thus,    

m_{water}\times C_{water}\times \Delta T=Q

<u>For water:  </u>

Volume = 50.0 L

Density of water= 1 kg/L  

So, mass of the water:  

Mass\ of\ water=Density \times {Volume\ of\ water}  

Mass\ of\ water=1 kg/L \times {50.0\ L}  

Mass of water  = 50 kg

Specific heat of water = 1 kcal/kg°C  

ΔT = ?

For slice of pizza:  

Q = 500 kcal

So,

50\times 1\times \Delta T=500  

ΔT = 10°C  

Increase in temperature = 10°C  

3 0
2 years ago
he combustion of propane (C3H8) is given by the balanced chemical equation C_3H_8+5O_2\longrightarrow3CO_2+4H_2O C 3 H 8 + 5 O 2
Basile [38]

Answer:

290 grams

Explanation:

Let's begin by writing the balanced chemical equations:

C_{3}H_{8} +5O_{2} --->3CO_{2} +4H_{2}O

Then we calculate the number of moles in 97g of propane.

n(propane)=\frac{mass}{molarmass} =\frac{97g}{44.1g/mol}=2.1995mol

According to the balanced chemical equation, one mole of propane produces 3 moles of carbon dioxide. So the available number of moles of propane must be multiplied by three to work out the number of carbon dioxide produced.

n(carbon dioxide)= 2.1995mol*3 = 6.5985mol

mass(carbon dioxide) = moles * molar mass

                                   = 6.5985 mol * 44.01 g/mol

                                   = 290 grams

4 0
3 years ago
PLEASEEEEE PLEASEEEEE ANSWER THIS QUESTION ILL GIVE BRAINLIEST AND 15 POINTSSSSS PLEASEEEEEEEEEEE!!!!!!!!!!
lozanna [386]
Hi what’s the question.... um
6 0
2 years ago
Read 2 more answers
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