Actual yield in grams of oxygen
In the decomposition of hydrogen peroxide, the percentage yield of oxygen is 93%. What is the actual yield in grams of oxygen if you start with 100 grams of H2O2? The reaction proceeds according to the equation 2H2O2(l)=2H2o(l)+O2(g).
Expected delivery within 24 Hours
A pitchere containing 0.75L of water at 4C. is removed from the refrigerator. How may kilojoules are needed to warm the water to a room temperature of 27C.
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.18 and the push imparts an initial speed of 3.9 m/s?
An open tank contains liquid with a specific gravity of 1.735. If the height of the liquid is 10 feet, how much head pressure (in inches w.c. (water column)) will it exert?
.850 L of 0.410 M H2SO4 is mixed with .800L of .240 M KOH. what concentration of sulfuric acid remains after neutralization .
A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a speed of 2.8 m/s just before striking the floor and a speed of 2.0 m/s just after bouncing, what is the average force of the floor on the ball? Ass
What is the bond enthalpy for 1-fluorobutane? So how fast would its hydrolisis be?
What is the molar mass of lysine if 750.0 mL of a solution containing 8.60 g of lysine has an osmotic pressure of 1.918 atm at 25°C?
Wheel of radius r is driven by an arm OA. It is driving (without slip) wheel of a radius r2 which is fixed to a drum of radius r1. Load G is attached to the rope which winds on the drum.
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