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Lesechka [4]
3 years ago
8

A quantity must be divided by multiples of ten when converting from a larger unit to a smaller unit.

Chemistry
1 answer:
seraphim [82]3 years ago
8 0

Answer:It is false

Explanation:

I took a quiz with this question in it and I chose true but I got it wrong

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Sugar dissolving in tea is it chemical or physical change?​
coldgirl [10]

Answer:

it is a physical change because when you heat up again a solution of sugar and tea you gonna obtain again sugar

5 0
3 years ago
Ammonium hydrogen sulfide (NH4HS) can
Sergeu [11.5K]

K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}} is the equilibrium constant expression for

NH₂HS(S)   →   NH₂(g) + H₂S(g). Hence, option A is correct.

<h3>Definition of equilibrium constant.</h3>

A number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature.

Equilibrium constant for the NH₂HS(S)   →   NH₂(g) + H₂S(g) will be:

K_c = \frac{[Product]^{coefficient}}{[Reactantt]^{coefficient}}

K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}}

Hence, option A is correct.

Learn more about the equilibrium constant here:

brainly.com/question/10038290

#SPJ1

8 0
3 years ago
Which is a sign of chemical change?
TEA [102]
A. Chocolate syrup dissolve in milk because the milk is changing
3 0
4 years ago
Read 2 more answers
2H2+O2 2H2O .Calculate the moles of water formed when 14 moles of hydrogen react.
Lelu [443]

Answer: 224 grams

Explanation:

2H2 + O2 = 2H2O

This implies that 2 moles of oxygen is needed to react with one mole of oxygen to form 2 moles of water

It also implies that

2 moles of hydrogen requires 32 grams of oxygen

14 moles of hydrogen would require ? grams of oxygen

14/2 x 32 = 224 grams

3 0
3 years ago
My favorite student weighs in at 125 pounds. How many<br>kilograms do they weigh?​
fiasKO [112]

Answer:

56.69905

Explanation:

The conversion factor from pounds to kilograms is 0.45359237, which means that 1 pound is equal to 0.45359237 kilograms.

7 0
3 years ago
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