If Kp = 587 for the reaction below at 310.0 K, then what is the value of Kc?(R = 0.0821 L･atm/mol･K.) 2 A (g) + B (s) ⇌ 2 C (s) + D (g)

a patient chooses to not take a beneficial medical treatment.

explanation:

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the answer is d.) potassium

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o