Chemistry, 27.01.2020 23:31 sctenk6052
7.456 g sample of uf6 is added to water. 6.53 g of a solid containing u, f and o and 1.69 g of a gas are formed. the gas is 5% h and 95% f by mass. a. what is the empirical formula of the gas? in this case, the empirical formula is the same as the molecular formula (i got hf4) b. what is the molecular formula of the solid? c. write a balanced equation for the reaction between uf6 and h2o.
Answers: 1
Chemistry, 21.06.2019 18:20
Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0
Answers: 2
Chemistry, 22.06.2019 14:30
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
Answers: 2
Chemistry, 23.06.2019 13:00
Which of the following statements is true about both nuclear fusion and nuclear fission? they occur in the sun. heavy atoms are split. two light nuclei combine. some mass changes into energy.
Answers: 1
7.456 g sample of uf6 is added to water. 6.53 g of a solid containing u, f and o and 1.69 g of a gas...
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