The U.S. Department of Energy has set the benchmark of 6% H by weight for an acceptable hydrogen storage material. Consider the following possible metals that form hydride phases: NaAlH4, LiAlH4, LaNi5H6, and TiFeH2. Which meet the DOE standard.

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A:

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Q: Which variables must be contolled and in what manner to produce Diamond from Graphite?

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Q: An element occurs in bcc structure. It has a cell edge length of250 pm. Calculate the molar mass if…

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Q: What are some of the structural differences between quartz and amorphous SiO2?

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Q: Write the balanced chemical equation for the reaction of aluminum with iodine. Include phase…

A: The balanced chemical equation for the reaction of aluminum with iodine can be written as,

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Q: What colour are SnC12.2H2O crystals?

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A: The correct answer about SiO2 is given below

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.