State how to prepare hydrogen in the labrotary

Assignment Help Chemistry

Reference no: EM13205093

A student carrried an experiment to prepare hydrogen in the labrotary, if the student collected 145.5ml of gas at a pressure of 750 mmHg and a temp of 25 degree celcius. what is the mass of hygrogen gas (in mg) did the student collect?

Reference no: EM13205093

Questions Cloud

How fast was each plane flying : two planes left an airport at noon . One flew east at a certain speed and the other flew west twice the speed . The planes were 2700mi apart in 3h. How fast was each plane flying?

Article the alphabetic mind : A Gift of Greece to the Modern World, Eric A. Havelock argues that that oral societies differ from alphabetic ones not only in the way they use language, but also in the way they structure their thinking and social life. However, Havelock thinks the..

How much income would the firms laborers receive : Complete the firm's new short run labor demand schedule in the table below and plot the information on the graph above. Label the curve D2. What does the increase in the demand for widgets do to the demand for the labor used to produce widgets.

Construct an 85% confidence interval around the sample mean : A sample of 151 is drawn from a population with a mean of 1000 oz and a known standard deviation of 348 oz.

State how to prepare hydrogen in the labrotary : A student carrried an experiment to prepare hydrogen in the labrotary, if the student collected 145.5ml of gas at a pressure of 750 mmHg and a temp of 25 degree celcius.

What percent of customers ordered diet pepsi : At a local Wendy's, a survey showed that out of 5,500 customers eating lunch, 575 ordered Diet Pepsi with their meal. What percent of customers ordered Diet Pepsi? (Round your answer to the nearest whole percent.

What are the measures of the angles in def : Suppose you have triangle ABC and triangle DEF, and they are similar, with a scale factor of 0.5. If the angle measures of ABC are 80°, 80°, 20°, what are the measures of the angles in DEF?

State the theoretical yield in grams and the percent yield : Determine the theoretical yield in grams and the percent yield, if 21.8 g of K2CO3 is produced form reacting 27.8g K2O with 8.0 L of CO2 at STP.

Find the volume of the box in cubic centimeters : A rectangular box with a square base is 13 centimeters taller than it is wide. If the surface area of the box is 1488 square centimeters, find the volume of the box in cubic centimeters.

User Account

All Pages