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loris [4]
2 years ago
13

The products of __________ combustion are carbon monoxide, carbon and water. what one word completes this sentence?

Chemistry
1 answer:
Sedbober [7]2 years ago
7 0

Answer:

Complete combustion

Explanation:

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Which laboratory activity involves a chemical change?
ipn [44]

Answer:

the answer is the first one (a)

5 0
2 years ago
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What is the mass of 0.042 mole C8H18
stiks02 [169]

Hope this help you!!! :))

4 0
3 years ago
The state of matter in which a material has a definite shape and a definite volume is the _____ state.
Scilla [17]

Answer:

solid

Explanation:

in the solid state the material will has a fixed shape and volume whatever the container that contains it

where in liquid the shape will be different depending on the container

and in gas state the shape and volume are not definite

3 0
2 years ago
The equilibrium concentrations for the reaction between N2 and O2 to form NO at a certain temperature are given in the table bel
MaRussiya [10]

Answer:

c

Explanation:

c is correct i believe

8 0
2 years ago
14. A piece of titanium at 100.0°C was dropped into 50.0 g of water at 20.0°C. The final temperature of the system was 22.6°C. W
Gemiola [76]

Answer:

m_{Ti}=13.0g

Explanation:

Hello,

In this case, based on the given, we can infer that as titanium is hot and water cold, it cools down whereas the water is heated up, therefore, in terms of heat, we have that the heat lost by the titanium is gained by the water:

-Q_{Ti}=Q_{H_2O}

That in terms of mass, specific heat and temperatures is:

-m_{Ti}Cp_{Ti}(T_2-T_{Ti})=m_{H_2O}Cp_{H_2O}(T_2-T_{H_2O})

In such a way, for computing the mass of titanium, considering the heat capacity of water 4.18 J/g°C, we have:

m_{Ti}=\frac{m_{H_2O}Cp_{H_2O}(T_2-T_{H_2O})}{-Cp_{Ti}(T_2-T_{Ti})} \\\\m_{Ti}=\frac{50.0g*4.18\frac{J}{g\°C}(22.6-20.0)\°C}{-0.54\frac{J}{g\°C}*(22.6-100.0)\°C} \\\\m_{Ti}=13.0g

Regards.

8 0
3 years ago
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