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trasher [3.6K]
3 years ago
14

Which table correctly identifies the subatomic particle's charge and mass? a b c d

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
8 0
It’s b that charts say it
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A group of students created a model showing a type of matter which of the following discribes what is shows by the model?
Lady_Fox [76]

Answer:

liquid

Explanation:

6 0
3 years ago
Nitrogen dioxide is produced by combustion in an automobile engine. For the following reaction, 0.377 moles of nitrogen monoxide
Contact [7]

Answer:

The amount of NO₂ that can be produced 8.533 g

Explanation:

       According to question

                                2 NO(g) + O₂(g) → 2 NO₂(g)

Given

Moles of nitrogen monoxide = 0.377

Moles of oxygen = 0.278

'For NO'=\frac{Mole}{Stoichiometry}=\frac{0.377}{2} =0.1855\\'For O_{2} '=\frac{0.278}{1}= 0.278\\

Since 'NO' is the limiting reagent according to this ratio.

According to equation

         2 moles NO reacts to form 2 moles NO₂

So,  0.1855 moles NO give  = 0.1855 moles of NO₂

            Mass of 1 mole NO₂ = 46 g/mole

            Mass of 0.1855 moles = 46 x 0.1855 = 8.533 g

5 0
3 years ago
Did democritus belive atoms retain there identity as a chemical reaction
mihalych1998 [28]
No He believed tiny particles were invisible and couldn't be changed....So No The person that believed in this was Dalton .
4 0
3 years ago
Read 2 more answers
Can somebody help and answer which ones are connected to each other. Correctly!
igor_vitrenko [27]

nuclear power--used to turn turbines...

fossil fuels--burned to provide energy that is....

renewable energy--energy that with come back after use

outlet--a device....

steam--nuclear reactors....

I'm not sure but I tried lol,lemme know if I'm wrong :D

3 0
3 years ago
1. How much energy (in KJ) is required to convert 50.0g of ice at – 30 ˚C to<br> steam at130˚C.
Vitek1552 [10]

Answer:

How much heat energy required to convert following?

How much heat energy, in kilojoules, is required to convert 47.0 g of ice at -18.0 C to water at 25.0 C ?

Specific Heat of Ice - 2.09 j/g * c

This is how I did it and the answer is wrong...Please check and correct me

Q = m * Cice * Change in Temp

Q = (47.0 g)(2.09 J/g*c)(43) = 4222.6 J * 0.001 kj / j = 4.22 kj

4 0
2 years ago
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