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Sergeeva-Olga [200]
3 years ago
6

A chemical reaction that takes in heat is called: exothermic endothermic a phase change

Chemistry
2 answers:
notka56 [123]3 years ago
8 0

Hello! Here is the answer: Endothermic I hope this helped. Your fellow Brainly user, GalaxyGamingKitty

AlladinOne [14]3 years ago
7 0
It would be Endothermic. 
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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
How many atoms of carbon are in the sample
Serhud [2]
There are six atoms in the carbon
6 0
3 years ago
What type of bond does sodium and bromine form?
vitfil [10]
Sodium is a metal and bromine is a nonmetal so they form an ionic compound
nonmetals and nonmetals form covalent compounds
7 0
3 years ago
Identify the element from its location on the periodic table:<br><br> a. 4p^5
mafiozo [28]
The element is Bromine
3 0
3 years ago
How do you solve (1 x 1025) =3 x 10
Mrrafil [7]

Hey There!!~

Your best answer choice is 10280 or 10,280.

Because, 1 x 1025 = 1025 + 3 = 1028 x 10 = 10280 or 10,280.

Hope This Helps....!!

4 0
3 years ago
Read 2 more answers
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