Chemistry Answers

The partial of triple bond in an organic compound lead to saturated

A gas takes up a volume of 17 L, has a pressure of 2.3 atm, and a temperature of 299 K. If the temperature raised to 350 K and pressure is lowered at 1.5 atm, what is the new volume of gas?

A 30.0 L sample of nitrogen inside a rigid, metal container at 20.0 °C is placed inside an oven whose temperature is 50.0 °C. The pressure inside the container at 20.0 °C was at 3.00 atm. What is the pressure of the nitrogen after its temperature is increased to 50.0 °C?

1.    Which of the following ligands could form chelates? Indicate also the donor atom for each ligand.

 Cl^-,         OH^-,          CN^-,         NO₂^-,        C₂O₄^2- ,    H₂NCH₂CH₂NH₂ ,       H₂NCH₂CH₂CH₃

a power plant 55 kg of fly ash per hour up the stack. the flow rate of the hot gases in the stack is 1.0 m^3/s. what is the concentration of the fly ash in micrograms per cubic meter?

a power plant 55 kg of fly ash per hour up the stack. the flow rate of the hot gases in the stack is 1.0 m^3/s. what is the concentration of the fly ash in micrograms per cubic meter?

4HCLA_(g)+O_2(g)—>2Cl_2(g)+2H₂O_(g)

Given:S⁰ values l J/K.mol

HCL_(g)=186.8

O_2(g)=205

Cl_2(g)=223

H₂O_(g)=188.7

N_2(g)+3H_2(g)->2NH_3(g)

Given:H_2(g)=131G

N_2(g)=192

NH_3(g)0=193. S⁰ values in J/K.mol

Which of the following is a chemical change

Mixing chalkpowder with sand

Melting of ice

Dissolving sugar in water

Cooking an egg

Supposed if 1 gram of potassium hydroxide was dissolved in 1litre of water, what is the concentration?