Directions: Use the following formulas to answer the following questions. Show Work!
P. T, =P T P. V. = P2V2 D = m/v P = F/a
1. A sample of xenon gas has a volume of 0.98 liters when the temperature
is 28.0 degrees celsius. The pressure is held constant but the
temperature is decreased to 17.0 degrees celsius. What is the new volume
of the gas?

explanation:

i think option no d is the correct answer

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms

elements make up everything, and they combine to make compounds.

the answer is c

answer seismograph;