3 years ago

PO3−4 what's the formula name?

Chemistry

1 answer:

masha68 [24]3 years ago

4 0

Answer:

Phosphate ion

Explanation:

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Property of a substance

Scrat [10]

There are many properties to substances.

I'll list some examples below:

Mass
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Conductivity
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3 years ago

A/An ______ bond occurs when 2 atoms share electrons.

allsm [11]

Answer:

convalent???????

Explanation:

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2 years ago

What is the density of a 700 kg object with a volume of 649 m3? (Density: D = ) 0.927 kg/m3 .4543 kg/m3 1.079 kg/m3 4.543 kg/m3

alekssr [168]

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3 years ago

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A chemical reaction that is expected to form 325.0 gof product only forms 123.8 g of product. What is the percent yield of this

Tasya [4]

Answer:

$\boxed {\boxed {\sf A. \ 38.1 \%}}$

Explanation:

Percent yield is the ratio of the amount actually produced to how much could theoretically be produced. It is found using this formula:

$\% \ yield = \frac{actual \ yield}{theoretical \ yield} *100$

For this reaction, the theoretical or expected yield is 325.0 grams. The actual yield is 123.8 grams.

$\% \ yield = \frac{ 123.8 \ g }{325.0 \ g }*100$

Divide.

$\% \ yield = 0.380923077 *100$

$\% \ yield = 38.0923077$

Round to the nearest hundredth. The 9 in the hundredth place tells us to round the 0 to a 1 .

$\% \ yield \approx 38.1$

The percent yield is about <u>38.1%</u>

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2 years ago

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Setler79 [48]

Sand is usually hot from the sun. It is hot because of the sun. if the sand were to be wet then it would take longer to change.

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3 years ago

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