Chemistry

Which of the following is an example of a physical change?

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Which of the following is a heterogeneous mixture?

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Which of the following is not an element?

Started by theo

Coins in a piggy bank are an example of a(n) ________.

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An object with a mass of 56 g and volume of 22 mL has a density of 2.5 g/mL.

Started by torybrooks

The density of water is 1 kg/mL.

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A cubic centimeter is a unit of length.

Started by elizabeth18

When the measured number 0.0090 is multiplied by the measured number 87.10, the answer has two ...

Started by Awilson837

The number 650 000 has two significant figures.

Started by tth

The liter is a unit of volume in the metric system.

Started by melina_rosy

State the number of significant figures in each of the following measurements.If there are 14 books ...

Started by lb_gilbert

State the number of significant figures in each of the following measurements.6.1 10-5 mL

Started by tiffannnnyyyyyy

State the number of significant figures in each of the following measurements.75.00 m

Started by nevelica

State the number of significant figures in each of the following measurements.28.050 km

Started by cagreen833

State the number of significant figures in each of the following measurements.680 000 km

Started by danielfitts88

Round off each of the following to three significant figures.399 870

Started by ericka1

Round off each of the following to three significant figures.25 225

Started by codyclark

Round off each of the following to three significant figures.504.85

Started by LCritchfi

A piece of iron with a mass of 119 g is placed in a graduated cylinder, where the water level is to ...

Started by stock

The ratio of the mass of a substance to its volume is its ________.

Started by Chloeellawright

The density of a solution is 1.18 g/mL. Its specific gravity is ________.

Started by nummyann

What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL?

Started by itsmyluck

Mercury has a specific gravity of 13.6. How many milliliters of mercury have a mass of 0.35 kg?

Started by evelyn o bentley

Which one of the following substances will float in gasoline, which has a density of 0.74 g/mL? The ...

Started by futuristic

If apples are $.67/lb, what is the cost of 2.5 kg of apples?

Started by sarasara