I don’t know how to handle this Chemistry question and need guidance.
Hi,Please help me with the below questions.QUESTION 1Imagine you have 20 g of water (H2O) in a beaker. Does your beaker contain more than, less than, or exactly one mole of water molecules?Exactly one mole More than one mole Less than one mole Impossible to tell QUESTION 2How many moles of nitrogen atoms are present in 12 g of (NH4)2CO3? Place your answer in the box below as a number only (no units).5 points QUESTION 3Which of the following contains the greatest number of Na+ ions?25.0 g Na2SO325.0 g Na2SO425.0 g Na3PO425.0 g NaNO325.0 g Na3PO35 points QUESTION 4One serving of cake contains 10.0 mg of cholesterol, which is 25.9 x 10-6 mol of cholesterol. What is the molar mass in grams of cholesterol? Place your answer in the box below as a number only (no units).5 points QUESTION 5A typical bag of peanut M&M's candy contains 32 pieces. How many moles of M&M's is this?5 points QUESTION 6The world’s population is approximately 7,800,000,000. Suppose you had a mole of U.S. dollars to distribute equally among all the people on Earth. How many dollars would each person receive?5 points QUESTION 7By chemical analysis, the composition of a hydrocarbon was found to be 79.85% carbon and 20.15% hydrogen. Which of the following is its correct empirical formula?C4H C6H C2H4 C4H2 CH6 C3H6 C3H CH4 CH3 5 points QUESTION 8If the empirical formula of a compound is C2H4O and 1 mol of the compound has a mass of 88 g, which of the following is its molecular formula?C5H12O C10H20O5 C6H12O3 C8H16O4 C4H8O2 5 points QUESTION 9By chemical analysis, the composition of a compound was found to be 39.99% carbon, 6.73% hydrogen, and 53.28% oxygen. Determine its empirical formula.Enter your answer by putting the correct subscript in the box following each atom. Do not leave any boxes blank, include the number 1 if necessary.Empirical Formula: CHOIf the mass of 0.6 moles of the compound is 90 g, what is its molecular formula?Enter your answer by putting the correct subscript in the box following each atom. Do not leave any boxes blank, include the number 1 if necessary.Molecular Formula: CHO6 points QUESTION 10How many moles of H2O would be produced if 1.5 moles of C5H12 were to react completely with excess O2 by the reaction:C5H12 + O2 ---> CO2 + H2O?(Hint: You will first need to balance the chemical reaction.)5 points QUESTION 11According to the following balanced chemical reaction:3CaCl2 + 2Na3PO4 --> Ca3(PO4)2 + 6NaClhow many grams of NaCl will be produced if 0.721 g of CaCl2 are allowed to completely react with excess Na3PO4? Enter your answer to three significant figures without units.8 points QUESTION 12Which of the following compounds contains carbon in its most reduced form? (HINT: start by determining the oxidation numbers for each of the atoms in the compounds.)CH4 C2H6 CH3F C6H12O6 CO2 5 points QUESTION 13What is the oxidation number for the Mn atom in the polyatomic anion permanganate (MnO4-)?5 points QUESTION 14Consider the following unbalanced reaction:CH3OH + Cl2 + H2 --> CH3Cl + H2OBalance the reaction by entering the appropriate coefficients in front of each molecule. Do not leave any boxes blank, enter 1 if necessary. Next, determine if any atom is being oxidized during the reaction. Enter the symbol for the atom into the box below. If no atom is reduced, enter NA.Atom oxidized:
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