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Dennis

Questions (117)

The space occupied by any sample of matter is called its __________.volume
1. 1 answer
2. 757 views
The volume of any solid, liquid, or gas will change with _________.temperature and pressure.
1. 0 answers
2. 419 views
Does the mass of an object changes with location?No. Weight depends upon location; mass does not. According to the theory of
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2. 509 views
Circle the letter of the unit of mass commonly used in chemistry that equals 1/1000 Kilogram.a)gram b)Milligram c)milliliter
1. 1 answer
2. 1,250 views
A Kilogram was originally defined as the mass of ___________.The kilogram was originally defined as the mass of one litre of
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2. 604 views
What is a volume of 1 L also equal to?1 liter = 1000 cubic centimeters It equals about 1.057 quarts
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2. 621 views
complete the following sentence. For an experimental measurement, the experimental value minus the accepted value is called the
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2. 601 views
Why must a calculated answear generally be rounded? andhow many siginificant figures must you round an answear to when
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2. 513 views
How does accuracy differ from precision?Accuracy is how close a measurement is to a generally accepted value. Precision is how
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2. 635 views
what does an -ite or -ate ending in a polyatomic ion mean? i'm thinking it mean Oxygen is in the formula, or is it Sulfur is in
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2. 834 views
What causes dispersion forces?Disperson forces are caused by an unsymettrical distribution of charge in the molecule, causing a
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2. 562 views
what suffix ends the names of all binary molecular compounds?http://chemistryhelper.googlepages.com/home9
1. 1 answer
2. 1,029 views
what is the difference between the sulfite and sulfate anions?Sulfate is SO4 2-. Sulfite is SO3 2-. sulfate is
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2. 445 views
How is the ionic charge of a group 1A,2A, or 3A ion determined?Group IA elements have 1 electron in their outer shell. Group IIA
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2. 1,336 views
is this always true that the compound NH3 contains two double covalent bonds? and that the chemical formulas of molecular
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2. 1,166 views
Is this true or falseIn general, the electronegativiy values of nonmetallic elements are greater than the electronegativity
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2. 484 views
Define Home Economics?Its a academic discipline which combines aspects of consumer science, nutrition, cooking, parenting and
1. 6 answers
2. 2,321 views