A sample of helium gas has a pressure of 3.54 atm in a container with a volume of 23.1L This sample is transferred to a new container and the pressure is measured to be 1.87 atm
What is the volume of the new container? (assume constant Temp and moles)

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)

Which property of water causes water drops to bead on a freshly waxed car?