Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?

There is no change in color.

There is no precipitate formed.

There is no gas given off.

There is no molecular change.

How do find out how many needed grams to react

Using complete sentences compare solids, liquids, and gases in terms of structure.

Can you evaluate gas systems and determine the outcome of changed conditions

A monomer undergoes addition polymerisation. A 1 mol sample of the monomer is completely polymerised. How many moles of polymer might, theoretically, be formed? a) 1 b) 10-6 c) 1 divided by 6.02 into 10∧23 Answer is b and c, how?

An electric clock in a classroom will not run if it not plugged into an electric outlet what does the clock get from the electric current from the outlet? A) batteries B) chemicals C) energy D) time of day

In an endothermic reaction do the reactants or the products have the lower potential energy

What kind of nuclear reaction would result in the release of a beta particle

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of xef2.

1. 1.204 x 1024 atoms He = ? moles He

How many atoms are in 35.1 g of sodium chloride (NaCl) ?