0.500-mol sample of sucrose what is the mass in grams of this sample

In right triangle EFG, mE = 25. In right triangle HJK, mH = 25. Which similarity postulate or theorem proves that EFG and HJK are similar?

What is the volume of 55 L of gas initially at 500 K and 4.25 atm when conditions change to STP? A. 10.5 L B. 428.1 L C. 584.0 L D. 127.6 L

Which element would chemically react with oxygen

Coal can be converted to methane gas by a process called coal gasification. The equation for the reaction is the following: 2 C (s) 2 H2O (l) - -> CH4 (g) CO2 (g) What mass in grams of carbon is required to react with water to form 1.00 mol CH4

Which term describes the sum of the number of protons and neutrons in an atom? A nuclear charge B mass number C atomic charge D atomic number

Is the following is a correct statement of Charless Law? The volume of a gas varies directly with the absolute temperature under the conditions of constant pressure.

Why do you need blood?

How many nitrate ions are present in. 200 mol of Zn (NO3) 2?

At a certain temperature, this reaction establishes an equilibrium with the given equilibrium constant, kc. if, at this temperature, 2.20 mol of a and 3.70 mol of b are placed in a 1.

What is an alloy consisting primarily of iron and carbon