A 45.8 g sample of NaCl contains 29.5 g of Cl. calculate the % composition of Na and Cl

An irregularly shaped Stone was lowered into a graduated cylinder holding a volume of water equal to 20.0 ml the height of the water Rose to 30.2 ml if the mads of the stone was 25.0g what was its density

Where on the periodic table are the Halogens located?

Name the following molecular compound: NO

Which of the following bonds is the strongest? a K-K b Mg-mg c Na-Br d N-N e H-N

How does a bar chart make it easier to see the pattern in a data?

When cream mixes with coffee, is this a chemical or physical change?

A gas occupies 72.1 at stp. At what temperature would the gas occupy 85.9 L at a pressure of 93.6 kPa?

An 80 kg volleyball player lands from a jump and tries to stop her forward motion. The normal contact force exerted by the floor on her shoes is 2000 N. The friction force exerted by the floor on her shoes is 600 N acting backward on the player.

How does electronegativity affect the polarity of the bond between two atoms?

How much heat (energy) would need to be absorbed by 1.5 g of liquid water to cause a temperature change of 30.45 °C? The specific heat of water is 4.18 J/gºC.