Chemistry, 12.10.2020 20:01 laurachealsy923
PLZ HELP ME ASAP IM TAKING AN EXAM :(
Protons have a positive charge. Neutrons have no charge. Electrons have a negative charge. Given this information, what can you conclude? *
a.)The nucleus contains protons & electrons
b.)The nucleus contains an overall positive charge
c.)The nucleus contains an overall negative charge
d.)The nucleus contains neutrons and electrons
Answers: 2
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What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
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Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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The biosphere of the earth is made up of what compound? organic or inorganic?
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PLZ HELP ME ASAP IM TAKING AN EXAM :(
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