Why is it important to waft when smelling chemicals?

A. Chemical have very little odor

B. A chemical is best identified with smell

C. Many chemical are dangerous

D. Most chemical are harmless

A crosslinked copolymer consists of 52 wt% ethylene (C2H4) repeat units and 48 wt% propylene (C3H6) repeat units. Determine the fraction of (a) ethylene and (b) propylene repeat units

You are doing research on a scientific topic. What is the best way to show relationships between information, particularly numerical data? tables charts and graphs text explanation tally marks

Water is different from other substances because: A It is more dense as a solid than a liquid B It is less dense as a solid than liquid C it is more dense as a gas than a liquid D It is less dense as a solid than a gas

What bond is C5H10O5?

How many molecules are in. 5 moles of h2

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?

What is the chemical formula of titanium (II)

Not related to any subject but how do you tell someone you like them?