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3 years ago

6

If a chemical reaction such as photosynthesis begins with six atoms of carbon, how many atoms of carbon should be in the product

s?

2 answers:

nevsk [136]3 years ago

8 0

6 atoms of carbon should be left. (Law of Conservation of Mass)

ryzh [129]3 years ago

7 0

6 atoms of carbon C is the correct answer

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Which model of the atom is thought to be true?

FinnZ [79.3K]

Answer:

Hi the answer should be B or 2

Explanation:

Hope this helps!

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2 years ago

2. What is the molarity of a HCl solution containing 1.2 grams of hydrochloric acid in 0.025 L of solution?

alisha [4.7K]

Answer:

1.3M

Explanation:

Convert from grams to moles:

molar mass of HCl = 1.01g(molar mass of H) + 35.45g(molar mass of Cl) = 36.46g HCl

1.2g HCl (1mol HCl/36.46g HCl)

= .0329 mol HCl

Molarity = mol/L (important formula for concentration)

Plug your values in:

Molarity = .0329mol/.025L

1.317M - but you used two significant figures in the question, so:

1.3M

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2 years ago

Calculate the compound amount. Use the compound amount formula and a calculator. (Round your answer to two decimal places.) P =

Julli [10]

Answer:

The compound amount is $303.03 .

Explanation:

Formula for compound interest:

$A=P\times (1+\frac{R}{n})^{tn})$

Principle amount = $1100

Rate of the interest compounded semiannually :

= R = 9% = 0.09

Number of times interest compounded, n = $\frac{12}{6}=2$

(semi means two times in a year)

Time period = T = 14

$A=\$1100\times (1+\frac{0.09}{2})^{2\times 14}=\$303.0310\approx \$303.03$

The compound amount is $303.03 .

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3 years ago

What type of fault usually occurs because of compression?

lianna [129]

Answer:c

Explanation:

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2 years ago

Read 2 more answers

Which is one way that Dalton's atomic theory has been shown to be incorrect?

KATRIN_1 [288]

The answer is D. His belief is was that atoms could not be split. That is what was disproved really fast ;)

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3 years ago