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krok68 [10]
3 years ago
12

A theory is a well-established, data-backed idea that has been shown true many times but cannot be 100% proven

Chemistry
1 answer:
mafiozo [28]3 years ago
4 0

Well if you were asking it was a true or false questions the answer is: True

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What is the total number of carbon atoms in 10C4H10?
Katarina [22]

Answer:

40 C atoms

Explanation:

Step 1: Write organic compound

10C₄H₁₀

We see here that in 1 mol of C₄H₁₀, we would have 4 atoms of C.

We are given that we have 10 moles of C₄H₁₀.

Therefore, we have 4 · 10 = 40 atoms C

4 0
3 years ago
What mass of water in grams will fill a tank 126cm long, 47 cm wide, and 13 cm high
Shtirlitz [24]

Answer:

Mass =  76986  g

Explanation:

Given data:

Dimensions of tank = 126 cm× 47 cm× 13 cm

Mass of water required to filled = ?

Solution:

First of all we will calculate the volume of tank which is equal to the volume of water required to fill it.

Volume = length ×height ×width

Volume = 126 cm × 13 cm× 47 cm

Volume = 76986 cm³

Mass of water:

Mass = density × volume

density of water is 1 g/cm³

Mass = 1 g/cm³× 76986 cm³

Mass =  76986  g

8 0
3 years ago
How many grams of zinc chloride could be formed from the reaction of 3.57g of zinc with excess HCl?
lorasvet [3.4K]
MZn: 65 g/mol
mZnCl₂: 65g+35,5g×2 = 136 g/mol
.....................
Zn + 2HCl -----> ZnCl₂ + H₂
65g.......................136g............

65g Zn ---- 136g ZnCl₂
3,57g Zn ---- X
X = (3,57×136)/65
X = 7,47g ZnCl₂
5 0
3 years ago
Read 2 more answers
What is the total amount of heat required to completely melt 347 grams of ice at its melting point
jolli1 [7]
In order to calculate the amount of heat energy required to melt 347 grams of ice, we need to will apply the equation:
Q = ml, where m is the mass of substance and l is its latent heat of fusion. For ice, the latent heat of fusion is 334 joules per gram. Therefore:
Q = 347 x 334
Q = 112,558 joules of energy
8 0
2 years ago
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What will happen to a test dummy during a crash test if its seatbelt is not buckled? The test dummy will stop when the car stops
algol13
<span>The test dummy will continue forward until it makes contact with another object.</span>
4 0
3 years ago
Read 2 more answers
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