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mariarad [96]
3 years ago
7

Definition of compounds​

Chemistry
1 answer:
Viefleur [7K]3 years ago
5 0
A thing that is composed of two or more separate elements; a mixture.
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What happens to energy from the sun that is neither reflected nor absorbed by the atmosphere
Valentin [98]

Energy from the sun that is neither reflected nor absorbed by the atmosphere passes through the atmosphere to the surface. The ozone layer absorbes most of the ultraviolet radiation, water vapor, and carbon dioxide absorbs infared radiation, clouds, dust, and other gases also absorb energy.

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How many grams of glucose are needed to prepare 144.3 mL of a 1.4%(m/v) glucose solution?
Montano1993 [528]

Answer:

2.0202 grams

Explanation:

1.4% (m/v) glucose solution means: 1.4g glucose/100mL solution.

so ?g glucose = 144.3 mL soln

Now apply the conversion factor, and you have:

?g glucose = 144.3mL soln x (1.4g glucose/100mL soln).

so you have (144.3x1.4/100) g glucose= 2.0202 grams

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3.2 moles of H3PO4 to grams
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Answer:

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We calculate the weight of 1 mol of H3PO4:

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Weight 1 mol H3PO4=98 g /mol

1 mol-----98 grams H3PO4

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Convert 3.2 ft^2 to square inches
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460.8 square inches

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