How many molecules of ethane are contained
How many molecules of ethane arecontained in 25.0 mL of butane? The density of butane is 0.6011g/mL and the molar mass is 58.12 g/mol.
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Essay, what are the organic chemical groups that characterize carbohydrates? How are the carbohydrates classified according to the presence of those groups .
How many grams of KClO3 will react with 67.8mL of 5.98M HClaccording to the reaction: KClO3 + 6HCl ----> 3 H2O + KCl+3Cl2?2 250 mL of a solution is made up from water and 2
What is the physical significance of the fact that k is negative? This function has a horizontal asymptote. Where is it and what is its physical significance?
Suppose W is the energy transferred stretchinig a spring from 0 to 0.10 m. The amount of work done stretching the same spring from 0.10 m to 0.20 m is:
A 45.0-kg crate is dragged at constant velocity 8.20-m across a horizontal floor with a rope making a 30 degree angle above the horizontal. The coefficient of kinetic friction is 0.250. Find the work done:
How long until the boys are 100cm apart? What is the area of the triangle formed by their positions after 2 seconds? What is the peremeter?
Two long, straight wires are separated by a distance of 11.0 cm. One wire carries a current of 2.98 A, the other carries a current of 4.22 A. Calculate the force per meter exerted on the 2.98 A wire.
Ideal gases A and B are kept in a 5.0 liter container at 20C. the pressure of teh gas mixture is 2.0 atm and it tis know that 0.10mole of gas A is present in the mixture.
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