4. How many atoms are in 28.0 grams of Calcium? 5. Balance the following chemical reaction...
3. What is the molar mass of Fe2(SO4)3 4. How many atoms are in 28.0 grams of Calcium?
1. What is the mass of 1.55x1024 atoms of calcium? grams 2. How many calcium atoms are there in 33.4 grams of calcium? atoms 1. How many MOLECULES of nitrogen dioxide are present in 1.57 grams of this compound? molecules. 2. How many GRAMS of nitrogen dioxide are present in 2.77x1022 molecules of this compound? grams. 1. How many GRAMS of chromium(III) bromide are present in 2.83x1022 formula units of this compound? grams 2. How many formula units of chromium(III)...
1. 10 grams of Hexane (C6H12) reacts with 25 grams of O2 in a combustion reaction. How many grams of CO2 are formed? Remember to balance your equation (iopis). 2. 15 grams of Octane (C8H18) reacts with 20 grams of O2 combusts in the following reaction: 2 CxHj8 + 25 02 ---> 16 CO2 +18 H20 How many grams of H20 are formed (10 pts)?
4. In the reaction below, how many grams of HCl are required to react with 2.000 g of Na,CO,? H20+CO2 () 2 NaCl (a) Na2CO3 (aq)2 HCl (aq) 5. What type of chemical reaction is this? +CO2 ( Na CO3 (aq) +2 HCl (a) 2 NaCl (a)
Consider the following unbalanced chemical equation. C5H12(/) + 02(g) → CO2(g) + H2O(/) If 37.2 grams of pentane (CH12) are burned in excess oxygen, how many grams of H20 will be produced? g H20
How many F atoms are present in a 39 grams sample of calcium floride A 2 atoms b 1.2*e24 atoms c 9.0*e23 atoms d 6.0*e23 atoms e 3.0*e23 atoms
7. Balance the following reaction equation and then do the calculations. Show your work below. CH,OH + 02 - H20 +CO2 a. How many grams of CO2 are produced from the combustion of 10.0 grams of CH,OH? b. How many grams of H20 are produced from the combustion of 20.0 g of CH,OH? c. How many grams of O2 are needed to react with 50.0 grams of CH,OH? d. How many grams of CH,OH are needed to produce 40.0 grams...
Ppts 5. a) Balance the equation below. 4pts b) Calculate how many grams of calcium sulfat can aluminum sulfate based on the balanced equation. how many grams of calcium sulfat can be produced by reacting 2.16 moles of CaSO4(s) + Al(NO3)3 (aq) Ca(NO3)2 (aq) + Al(SO )) (aq) +
In the following reaction, how many grams of calcium carbonate, CaCO3, will be produced from 37.3 g of sodium carbonate, Na2CO3?
In the following reaction, how many grams of H20 are produced if 4.29 g of NzH4 react with excess 02? [MW(H20)=18.02 g/mol, MW(N2Ha). 32.06 g/mol] N H4 + 4 02 - 2 NO + 2 H2O Select one: O a. 1.21 g ob. 2.41g O c.4.29 g o d. 4.82 g