Define heating the remaining solid weighed

Assignment Help Chemistry
Reference no: EM13156900

A mixture of CaCO3 and CaO weighing 0.635 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.

Reference no: EM13156900

Questions Cloud

Evidence that seeds have lost viability during year : Information on a packet of seeds claims that the germination rate is 92%, only 171 of 200 test seeds sprout. Is this evidence that the seeds have lost viability during a year in storage?
Compute probability of a value greater than fifty five : A normal distribution has a mean of 50 and a standard deviation of 4. Compute the probability of a value between 44.0 and 55.0. Compute the probability of a value greater than 55.0.
How did the acquisition of internode affect iinet? : How did the acquisition of Internode affect iiNet? You should briefly discuss the impacts in different aspects, e.g., how iiNet's liquidity and solvency was affected. Overall, do you think the acquisition was beneficial to iiNet? Provide your reasons..
Explain and show any relevant calculations : One person using one computer can produce 11,000 typed pages per year, and the price per page for your service is $2. Calculate the following three options. You have opened your own word processing service.
Define heating the remaining solid weighed : After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
Determine how each competing hypotheses : Building upon the annotated bibliography and literature review section requires the description of the data that will be used to conduct your study, outline the plan to operationalize the variables in the study, and described how to test the hypoth..
How lilely is child to be trained after thirty months : Children toilet train (training age normally distributed) at an average of 26 months with a standard deviation of 2 months. How lilely is child to be trained after 30 months?
Calculate the volume the gas will occupy : A fixed quantity of gas at 24 C exhibits a pressure of 745 torr and occupies a volume of 4.40 L. Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant.
Five kinds of secondary positive reinforcers : Describe the five kinds of secondary positive reinforcers and think of an example of how you believe they can be used in classrooms. Identify the grade level for which you are providing the example.

Reviews

Write a Review

Chemistry Questions & Answers

  How much caco3 is produced

CaCN2 + 3 H2O -> CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?

  Define understanding vapour pressure

Understanding Vapour Pressure, Which would you expect to exhibit the highest vapor pressure at room temperature?

  How many liters of water vapor can be produced

How many liters of water vapor can be produced if 13.3 liters of methane gas (CH4) are combusted, if all measurements are taken at the same temperature and pressure?

  Reaction that occurs with hexanal and propanol

1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?

  What is the percent composition of sand in mixture

A mixture of sand and iron pieces weighs 53.29 g. Using a magnet, the iron is removed and weighs 15.63 g. What is the percent composition of sand in the mixture?

  Compute the pressure of hydrogen gas

What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?

  What mass of water can be heated

Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)

  Calculate the average density of earth

The mass of Earth is 5.974 􏰀 1024 kg. Assume that Earth is a sphere of diameter 1.28 􏰀 104 km and calculate the average density of Earth in g/cm3.

  How many grams of cah2 are needed

CaH2(s) + 2H2O(l) Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 10.0 L of H2 gas if the pressure of H2 is 769 torr at 28.0°C?

  What are the volume and density of the block

A rectangular block has dimensions 2.9 cm  3.5 cm  10.0 cm. The mass of the block is 615.0 g. What are the volume and density of the block?

  Draw lewis structures and structural formulas

Give the shape of each molecule in problem and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water

  Calculate the difference in pressure

15.0 moles of gas are in a 8.00 L tank at 21.0C. Calculate the difference in pressure between methane and an ideal gas under these conditions

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd