Answer:
Mass of hydrogen = 667 kg (Approx)
Explanation:
Given:
Mass of water = 593 kg
Yield rate = 88.9%
Find:
Mass of hydrogen
Computation:
Mass of hydrogen = [Mass of water / Yield rate]100
Mass of hydrogen = [593 / 88.9]100
Mass of hydrogen = 667.04162
Mass of hydrogen = 667 kg (Approx)
The trend of ionization energy in the periodic table is decreasing from right to left and from top to bottom. In this case, we are given with elements <span>K, Ca, Ge, Se, Br, Kr and see the periodic table to check the trend. The answer from highest to lowest Kr, Br, Se, Ge, Ca, and K</span>
Answer:
According to the World Economic Forum, air pollution was found to be the largest current environmental threat to our public health. Up to 52,000 people die every year in the United States alone because of exposure to emissions from power plant emissions.
Answer: they both contain the same metal(calcium)
Explanation: calcium burns with a characteristic orange color.
