Ch.1 - Intro to General ChemistrySee all chapters

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Mixtures | 0 completed |

Scientific Notation | 0 completed |

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Standard Deviation, Mean, Median & Mode | 0 completed |

Metric Prefixes | 0 completed |

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Energy, Heat and Temperature | 0 completed |

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The Scientific Method |

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SI Units |

Physical & Chemical Properties |

Types of Energy |

Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 fm (femtometers) and the radius of the atom is approximately 70 pm (picometers). Calculate the volume of the atom. What percentage of the carbon atom's volume is occupied by the nucleus? ( Assume two significant figures.)

Substance A has a density of 1.7 g/cm3. Substance ...

Determine the volume of an object that has a mass ...

A 200-mL Erlenmeyer flask weighs 218.5 grams when ...

The density of magnesium is 1.7 g/cm3, while that ...

A rectangular wooden block, 22 cm x 13.2 cm x 4.4 ...

What volume of alcohol (d = 0.800 g/mL) is needed ...

The density of vanadium metal is 6.00 g/cm 3. What...

A container that can hold 6780 g Hg can only hold ...

A new penny has a mass of 2.49 g and a volume of 0...

Human fat has a density of 0.918 g/cm 3. How much ...

The density of titanium is 4.51 g/cm3. What is the...

The density of iron is 7.86 g/cm3. What is its den...

The single proton that forms the nucleus of the hy...

Lead metal can be extracted from a mineral called ...

For each box, examine the blocks attached to the b...

The density of dichloromethane, an organic solvent...

A student is trying to find out what metal the yar...

A sample of unknown metal is placed in a graduated...

You are given a marble made up of one of the metal...

Determine the density of an object that has a mass...

Neutron stars are composed of solid nuclear matter...

Carbon-12 contains 6 protons and 6 neutrons. The r...

A certain cylinder has a diameter of 5.0 in and a ...

An aluminum sphere contains 8.55 x 10 22 aluminum ...

The estimated mass of the planet Jupiter is 1.90 ×...

A cylindrical tube has a length that is 15.2 cm an...

An aluminum sphere contains 8.66 x 1022 aluminum a...

A flask has a mass of 78.23 g when empty and 593.6...

If a box measuring 16.80 cm x 14.12 cm x 29.44 cm ...

The density of a particular stainless steel alloy ...

The proton has a radius of 1.0 x 10 -13 cm and a m...

A sample of 37.5 g of an unknown metal is placed i...

How many 1 -cm squares would it take to construct ...

How many 1-cm cubes would it take to construct a c...

A bottle can hold 250 g of water but only 89.75 g ...

A titanium bicycle frame displaces 0.314 L of wate...

A supposedly gold nugget is tested to determine it...

Ethylene glycol (antifreeze) has a density of 1.11...

An osmium sphere contains 1.289 x 10 23 osmium ato...

A thief uses a can of sand to replace a solid gold...

A steel cylinder has a length of 2.16 in, a radius...Water (d = 1.0 g/mL) and methylene chloride (d = 1...Be sure to answer all parts.A graduated cylinder i...Determine the mass of an object that has a volume ...An empty beaker weighs 26.27gWhen completely filed...Acetone is a common solvent and has a density of 0...A student measures 49.9 mL of concentrated nitric ...Bromine, a brick red liquid, has a specific gravit...A small cube of metal measures 15.8 mm on a side a...E85 fuel is a mixture of 85% ethanol and 15% gasol...What volume of gold would be equal in mass to a pi...A 1.00-μm thick layer of gold is plated on a medal...A piece of silver (Ag) metal weighing 194.3 g is p...Complete the following conversions. 377 km/s = ___...A student made a 5.30% (w/v) solution by dissolvin...

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