Why is soap used to remove grease?

A. It chemically bonds with the grease.

B. Its nonpolar end dissolves the grease.

C. Its polar end dissolves the grease.

D. It makes the water bond with the grease.

A 40.5 g block of an unknown metal is heated in a hot water bath to 100.0°C. When the block is placed in an insulated vessel containing 130.0 g of water at 25.0°C, the final temperature is 28.0°C. Determine the specific heat of the unknown metal.

How many mole of copper, Cu are in 3.22 g of copper?

The molecular weight (gram formula weight) for CO is

What is the predominant intermolecular force in the liquid state of each of these compounds: methanol (ch3oh), carbon tetrachloride (ccl4), and hydrogen chloride (hcl) ?

If geologists many small earthquakes in the area near a volcano, what can they infer about the volcano? A. it's dormant B. it is about to erupt C. it is extinct D. it is a good source of geothermal energy

Two children are playing tag. Child A who is doing the chasing can run 100m in 24 seconds Child B is running away from child A and can run 64m in 21 seconds.

What ion does a base increase

What is the definition of Amplitude?

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals.

Under what condition is decompostion the fastest? Under what condition is it the slowest?