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kozerog [31]
3 years ago
15

Question 38 (1 point)

Chemistry
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer: Protons because they have a positive charge.

Explanation:

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Question 15 Measurements show that the energy of a mixture of gaseous reactants decreases by during a certain chemical reaction,
Tresset [83]

Answer:

20+56+760383848483838393949494994

3 0
3 years ago
#1: The average velocities of gas molecules in cylinders A, B, C, and D are 20 m/s, 50 m/s, 60 m/s, and 100 m/s, respectively. T
d1i1m1o1n [39]
Cylinder D
temperature is the measurement of average kinetic energy of a sunstance. since cylinder D has the highest average velocity, it has the highest average kinetic energy among the 4 cylinders, thus cylinder D is the hottest.
8 0
3 years ago
What is the molarity of the potassium hydroxide if 25.25 mL of KOH is required to neutralize 0.500 g of oxalic acid, H2C2O4? H2C
Greeley [361]

Answer:

0.444 mol/L

Explanation:

First step is to find the number of moles of oxalic acid.

n(oxalic acid) = \frac{0.5g}{90.03 g/mol} = 5.5537*10^{-3} mol\\

Now use the molar ratio to find how many moles of NaOH would be required to neutralize 5.5537*10^{-3} mol\\ of oxalic acid.

n(oxalic acid): n(potassium hydroxide)

         1           :            2                  (we get this from the balanced equation)

5.5537*10^{-3} mol\\ : x

x = 0.0111 mol

Now to calculate what concentration of KOH that would be in 25 mL of water:

c = \frac{number of moles}{volume} = \frac{0.0111}{0.025} = 0.444 mol/L

5 0
3 years ago
If you had a pot of boiling water that is loosing volume is that at equilibrium? What are some things you can do to a pot of boi
ki77a [65]

Answer:

are you rich in points brother ? or sister ?

8 0
2 years ago
Why is the reaction SO2 + H2O → H2SO2 not balanced?
aalyn [17]

There are more oxygen atoms in the reactants while there are less oxygen atoms in the product.

Both sides of the equation is supposed to be balanced for a balanced equation. If any one of them isn't balanced, the equation remains unbalanced.

The main reason why the reaction above can not be balanced is:

This chemical reaction SO2 + H2O -> H2SO2 is not correctly written.

It must be: SO2 + H2O -> H2SO3

<em>hope this helps....</em>

5 0
2 years ago
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