Answer:
An endothermic process is any process which requires or absorbes energy from its surroundings usually heat
Explanation:
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Answer:
Zn+2
Explanation:
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The only metalloid located in the sixth period of the periodic table is Astatine. Others are located in previous periods.
Answer:
Molar mass and Mass
Explanation:
The relationship between mass and number of moles is given as;
Number of moles = Mass / Molar mass
Mass = 1.6 g
Molar mass of HCl = ( 1 + 35.5 ) = 36.5 g/mol
Number of moles = 1.6 g / 36.5 g/mol
Number of moles = 0.0438 mol
Answer:
(upper right) corner of the periodic table to the bottom left corner
