i need help with all of the questions please

1. How many GRAMS of carbon are present in 1.27 moles of carbon tetrachloride ? grams. 2. How many MOLES of chlorine are present in 3.02 grams of carbon tetrachloride ? moles. A sample of Cs weighs 52.6 grams. Will a sample of Si that contains the same number of atoms weigh more or less than 52.6 grams? A sample of Si weighs less than 52.6 grams. A sample of Si weighs more than 52.6 grams. Calculate the mass of a sample of Si that contains the same number of atoms. Mass = How many grams of Sc are there in 3.29 moles of Sc? grams Densities of Some Common Substances 17+3mLAugAu Drag and drop your selection from the following list to complete the answer: The boiling point of a liquid is calculated to be 494K. What is this temperature on the Celsius and Fahrenheit scales? C of A dollar bill is found to have a length of 0.165 meters. Using unit analysis, show what the length of the dollar bill is in centimeters. How many megameters are there in one meter? Enter your answer in scientific notation. For example, enter 105 as 1105 1m= 1 item attempt remaining a. Carry out the following mathematical operation: 54.3469.518 Identify the number of significant figures for the answer of this operation. significant figure(s) What is the result of this calculation (when reported to the correct number of significant figures)? b. Carry out the following mathematical operation: 54.34+69.518 Identify the number of decimal places for the answer of this operation. decimal place(s) What is the result of this calculation (when reported to the correct number of decimal places)? There are 12 eggs in a dozen. If a farmer's chickens produce an average of 684 dozen eggs in a month, how should the average number of eggs pe month be reported? 684dosen12eges/dozen= Complete the following table