In the lab Karen reacts manganese metal with excess calcium carbonale according to the following reaction: 1 Mn + 2 Caco, 6:1 Mn(CO3)2 + 2 Ca
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15. What type of reaction dld Karen carry out?
a. Synthesis
b. Combustion
C. Single Replacement
16. How many moles of Ca will be produced if 1.23 moles of Caco, are used in the reaction?
a 0.62 mol Ca
b123 mol ca
c. 246 mol ca
17. How many grams of Mn(C0.), will be produced if 0.77 moles
of Caco, are used in the reaction?
a. 67.34 g Mo{C0.),
b. 134 67 g Mn(CO),
c. 189.78 g Mn(CO)

precipitation

explanation:

when it goes from cloud to rain/back to earth in the form of rain

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.