How many grams of water are consumed

Assignment Help Chemistry

Reference no: EM13131574

The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons. CaH2 (s) + 2 H2O (l) -----> Ca(OH)2 (s) + 2 H2 (g) (not balanced)
(a) How many grams of H2 (g) result from the reaction of 127 g CaH2 with an excess of water?
(b) How many grams of water are consumed in the reaction of 56.2 g CaH2?

Reference no: EM13131574

Questions Cloud

Explain when it is appropriate to use a t-score : Suppose we wish to estimate the population mean using a confidence interval. When is it appropriate to use a z-score? When is it appropriate to use a t-score?

Product of disjoint cycles : In S(5) let pi=(245)(1354)(125). Write pi as a product of disjoint cycles and then answer the following questions. Determine pi^2, pi^5, pi^(-1).

Probability that sample of size yield mean greater value : Number of days of accrued annual leave. suppose that the mean and variance are 12 and 144, respectively. What is the probability that a sample of size 100 will yield a mean greater than 9?

Evaluate how the status of the pension fund affects : Recent events in the world of corporate finance have shown the importance of proper administration and funding of corporate pension plans. Evaluate the information in the Comparative Analysis Case of Coca-Cola and PepsiCo found in the book's compa..

How many grams of water are consumed : The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons.

Problem related to debt service funds : Which of the following debt service funds would normaly have the largest balance in its fund balance account? Serial bond debt service, Deferred serial bond debt service fund, irregular serial bond debt service fund, term bond debt service fund.

Bulleted list : How can you develop parallelism in a bulleted list?What is the difference between a bulleted list and an enumerated list (one with numbers)?

Combinatorial mathematics-puzzle : In one room of the science fair were six projects, and each project was entered by a pair of students. During the fair, some of the students visited other projects in the room and shook hands with some of the other project entrants.

Describe why p-nitrophenol is a stronger acid : Explain why p-nitrophenol is a stronger acid than phenol itself. P-methoxyphenol and acidity

User Account

All Pages