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2 years ago

7

What is the correct answer?

1 answer:

Korolek [52]2 years ago

3 0

I think it's Almond Soy Milk because they're recommending your body's pH to be at 7.5 and the Almond Soy Milk is the answer with the closest pH to 7.5

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Please help me understand how to...

KonstantinChe [14]

Answer:

$m_{Cr_2O_3}^{actual}=62.4gCr_2O_3$

Explanation:

Hello!

In this case, according to the reaction:

$4Cr+3O_2\rightarrow 2Cr_2O_3$

We can see there is a 4:2 mole ratio between chromium and chromium (III) oxide, this, for the given 56.2 g of chromium, the theoretical yield of the oxide product is computed down below:

$m_{Cr_2O_3}^{theoretical}=56.2gCr*\frac{1molCr}{52.0gCr}*\frac{2molCr_2O_3}{4molCr} *\frac{151.99gCr_2O_3}{1molCr_2O_3} =82.13gCr_2O_3$

Now, considering the 76.0-% yield for this reaction, the actual yield turns out:

$m_{Cr_2O_3}^{actual}=82.13gCr_2O_3*\frac{76.0gCr_2O_3}{100gCr_2O_3} \\\\m_{Cr_2O_3}^{actual}=62.4gCr_2O_3$

Best regards!

3 0

2 years ago

I'll mark brainliest.....

Ilya [14]

P = 203
V = 10
n = ?
R = 8.31
T = 298
$PV = nRT \\ 203(10) = n(8.31)(298) \\ 2030 = 2476.38n \\ n = \frac{2030}{2476.38} = 0.819 mol$

5 0

2 years ago

What is the final temperature of the metal

Natasha_Volkova [10]

Answer:

There is no exact answer for this question tbh.

6 0

2 years ago

Please help me with this science

MAVERICK [17]

The answer is no. <u>5 grams are equal to 5 milligrams</u>.

"Milli" means million so a <u>milli</u>gram is one-<u>milli</u>onth of a gram.

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3 years ago

There are two different compounds of sulfur and fluorine.

olga nikolaevna [1]

What's your question......................

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3 years ago