The activation energy for the diffusion of carbon in chromium is 111,000 J/mol. Calculate the diffusion coefficient at 827°C, given that D at 1127°C is 6.25 x 10-11 m2 /s. (R = 8.31 J/mol-K)

a lab group reacts sodium oxide (na2o) with hydrochloric acid (hcl) to produce sodium chloride (nacl) and water (h2o). when writing their lab report, they came up with the following equation to represent the reaction:

na2o + hcl -> nacl + h2o

does this equation satisfy the law of conservation of matter? why or why not?

explanation: