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Leya [2.2K]
3 years ago
12

Balance the equation NaHCO3(s).... Please help!! Question #1

Chemistry
1 answer:
ddd [48]3 years ago
7 0

Answer:

NaHCO3 → H2O + CO2 + Na2CO3

Explanation:

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HELP I NEED HELP ASAPP
Effectus [21]

Answer:

B = A/DH – C

Explanation:

From the question given above, we obtained:

A = D • H(B + C)

Thus, we can obtain B in terms of D, H, A and C by doing the following:

A = D • H(B + C)

A = DH(B + C)

Divide both side by DH

A/DH = B + C

Subtract C from both side

A/DH – C = B + C – C

A/DH – C = B

B = A/DH – C

4 0
2 years ago
If a substance changes from one phase to another, is it still same substance? why
shutvik [7]
When you boil water, you aren't changing the elements. You're just making water vapor. However, when you burn paper, it becomes carbon (mostly). So physical changes will not change the substance, only chemical changes will.
5 0
3 years ago
This frog is about to be food for a snake. Which type of nutrition does the snake use, and which type of nutrition does the frog
liberstina [14]

Answer:

The snake will get energy and nutrients by eating the frog. Frogs get energy and nutrients by eating other living things, such as insects and worms.

Hope this helped

Hope this helped ALL THE BEST !!

7 0
3 years ago
If sulfur dioxide and oxygen can be made into sulfur trioxide, what is the reverse reaction? A. SO3 +O2à SO3 B. 2SO2 + O2à 2SO3
ycow [4]
REVERSE REACTION WILL BE SO2+O2
7 0
3 years ago
Read 2 more answers
How many moles of mercury, Hg, are there in 1.30 x 10^7 atoms of murcury? PLEASE HELP, IT'S URGENT! Thank you! (:
vodka [1.7K]
1 mole Hg ---------------- 6.02x10²³ atoms
??  ------------------------- 1.30 x10⁷ atoms

1.30x10⁷ x 1 / 6.02x10²³ =

= 1.30x10⁷ / 6.02x10²³ => 2.159x10⁻¹⁷ moles

hope this helps!

7 0
3 years ago
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