General Chemistry Questions & Answers
General Chemistry Questions & Answers - CORRECT ANSWER - Using combining rules to calculate: (313.44-209.1)*8.2234 How many SF? "A" column - CORRECT ANSWER - main group elements "B" column - CORRECT ANSWER - transition metal (1*65.38g/mol)*(2*35.45g/mol)=136.28g/mol %Cl= (mass of Cl/ Mass of ZnCl2)*100 = (2*35.45/136.28)*100 = 52.03%Cl - CORRECT ANSWER - Calculate the mass percent of chlorine in zinc chloride(ZnCl2) molar mass of ZnCl2 1 mole - CORRECT ANSWER - the # of atoms in exactly 12(g) of pure carbon (C) 10^-1 - CORRECT ANSWER - deci (d) 10^-12 - CORRECT ANSWER - pico (p) 10^-2 - CORRECT ANSWER - centi (c) 10^-3 - CORRECT ANSWER - milli (m) 10^-6 - CORRECT ANSWER - micro 10^-9 - CORRECT ANSWER - nano (n) 10^12 - CORRECT ANSWER - Tera (T) 10^3 - CORRECT ANSWER - Kilo (K) 10^6 - CORRECT ANSWER - Mega (M) 10^9 - CORRECT ANSWER - Giga (G) 12 particles - CORRECT ANSWER - 1 dozen = ? 171 lbs - CORRECT ANSWER - Convert 77.4kg to pound 19.2 g/cm³ (Yes, it could be made of gold) - CORRECT ANSWER - A supposedly gold nugget is tested to determine its density. It is found to displace 19.3 mL of water and has a mass of 371 g. What is the density of the nugget? Could it be made of gold? 3.55*10^22(Given #)/6.022*10^23(Avogadro's #)*18.02(Molar Mass #) - CORRECT ANSWER - what is the mass of a sample of water containing 3.55*10^22 H2O molecules?
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