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Question #38fc1

What is the oxidation number of carbon in the salt sodium oxalate, #Na_2^(+)C_2O_4^(2)#?

What is the role of water in the carbon cycle?

How do you solve #(2^6 times 2^3)/(2^n) = 2^5#?

Why is salt sprinkled on icy roads and sidewalk?

Question #6bd4c

What is megahertz a measurement of?

How do you simplify #(7y x)^2#?

How do you simplify #(3)/(2x+2)+(x+4)/(2x+2)#?

How do you solve #3x^2+7x13=0#?

Except for helium, how many electrons do noble gases have in their outer energy levels?

Question #80adf

Why do cells need water?

What is the most abundant carbohydrate and its formula?