Chemistry, 10.12.2019 23:31, hardwick744
A60.0-g sample of fermium-253 was placed in a sealed vessel 9.0 days ago. only 7.5 g of this isotope is now left. what is th
half-life of fermium-253?
3.0 days
4.5 days
17.5 days
20.0 days
Answers: 1
Chemistry, 22.06.2019 12:10, purplefish53
Consider the reaction: n2(g) + o2(g) β 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 13:30, princessroseee769
Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
Answers: 1
A60.0-g sample of fermium-253 was placed in a sealed vessel 9.0 days ago. only 7.5 g of this isotope...
Mathematics, 20.07.2019 23:20