Suppose the mass of two reactants totals 10 grams. After the chemical reaction, what should be the total mass of the products? A. O grams OB. 5 grams O C. 10 grams D. 20 grams

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity