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What is the relationship between the boiling point of an alkane and the number of carbon atoms in its molecule?
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Write the sponification reaction
Look at this diagram of a methane molecule. Which statement about methane is correct? - A) Electrons are transferred from hydrogen atoms to carbon atoms. - B) The covalent bonds in methane are weak.
The mass of a balloon is 0.02g before it is filled with air. After it is blown up with air the mass is 0.04g. Assuming oxygen makes up 21% of air, calculate the number of moles of oxygen in the balloon.
A) Write a balanced equation for the reaction of Calcium metal with water B) If I react 3 g of Calcium metal, what number of moles do I have?
If an element has an atomic mass of 19 and a proton number of 9, how many neutrons does it have and how many electrons does it have?
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