Hydrogen gas has been suggested as a clean fuel because it produces only water vapor when it burns. if the reaction has a 78.0% yield, what mass of hydrogen forms 545 kg of water?

Francine makes several measurements of the mass of a metal block. The data set is shown in the table below. Measurement Mass of metal block (g) 1 20.73 2 20.76 3 20.68 4 20.75 After analyzing this data set, Francine calculates a value of 20.73 g.

A 12.2-g sample of x reacts with a sample of y to form 78.9 g of xy. what is the mass of y that reacted?

All substances taking part in a certain interaction are shown below: Butane is written followed by an addition sign followed by Oxygen followed by an equal to sign followed by Carbon dioxide followed by an addition sign followed by Water.

1. True or False: Nitrogen bases form the sides of the DNA ladder 2. True or False: Translation is the process of making a protein from RNA

How do I write 0.03438 m in scientific notation using 3 digits?

Why is it possible to bend metals but not ionic crystals

If the concentration of an analyte in a solution prepared by digesting a 2.05 g solid sample and making up to 100 mL, is found to be 21.1 mg L-1. What was the mass percentage of the analyte in the original sample?

If a particular ore contains 58.5% calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus?

What is the difference between friction and gravity

When an action force occurs, the reaction force is always Question 6 options: A. in the same direction as the action force. B. applied to the same object as the action force. C. nonexistent. D. equal and opposite to the action force.