Chemistry, 29.01.2020 21:47 Juliianatafur22
Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. the balanced equation for this is cah2 + 2h2o > ca(oh)2 + 2h2 (a) how many grams of calcium hydride are needed to form 4.500 g of hydrogen?
Answers: 2
Chemistry, 22.06.2019 02:30
24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. the balanced equation...
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