Why the empty crucible and cover fired to red

Assignment Help Chemistry
Reference no: EM13176133

in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?

Reference no: EM13176133

Questions Cloud

Classify the reactions below as synthesis, decomposition : classify the reactions below as synthesis, decomposition, single replacement(cationic or anionic) or double replacement
What was a smart acquisition : Many companies purchase other companies or individual product or brands from other companies to acquire new products. For example, Disney recently agreed to purchase Marvel Entertainment and its portfolio of more than 5,000 characters, such as S..
What mechanisim in vicinity of star : What mechanisim in the vicinity of a star gives us a hint of the precence of a black hole as a companion to the stars?
Nitrogen dioxide dimerizes to produce dinitrogen tetroxide : Nitrogen dioxide dimerizes to produce dinitrogen tetroxide. Give a possible explanation for why this reaction occurs
Why the empty crucible and cover fired to red : in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
State a polyatomic ion containing an unknown element : A polyatomic ion containing an unknown element, E, has the chemical formula EO3 with -1 charge, and has 26 total electrons. Provide 3 possible identities of element E
What is molarity of the solution after the water evaporates : A student makes 215 mL of a 3.15M solution of Na2SO4. he then forgets to seal it and some water evaporates overnight. When he comes back int he morning, the volume of the solution is only 205 mL. What is the molarity of the solution after the wate..
Define the short-run aggregate supply curve shows : In the 1960s and 1970s, research funding by the U.S. government and some universities led to revolutionary advances in network computing. These advances in communication and network technology remained largely isolated to governmental and academic..
Compute the value of henry''s law constant kh : Use the graph of solubility of O2 in water vs. temperature to calculate the value of Henry's law constant KH

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the theoretical yield of c2h5cl

Calculate the theoretical yield of C2H5Cl when 123g of C2H6 reacts with 213g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.

  Calculate the mole fraction of n2

A gas mixture contains 1.30g N2 and 0.95g O2 in a 1.57-L container at 22 degrees Celsius. Calculate the mole fraction of N2.

  Find the number of automobiles whose total mass is the same

The mass of an average blueberry is 0.78 and the mass of an automobile is 2200kg.Find the number of automobiles whose total mass is the same as 1.0 blueberries.

  Calculate the final molarity of the solution

calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L

  Compare the chemical structure of the nylon polymer

Compare the chemical structure of the nylon polymer that has been prepared to the polypeptide trimer of glycine, the simplest of the naturally occurring amino acids

  How much money would you spend on gas

While in Europe, if you drive 105 km per day, how much money would you spend on gas in one week if gas costs 1.10 rm euros per liter and your car's gas mileage is 41.0 mi/gal? Assume that 1; rm euro = 1.26; dollars.

  What is the volume of dry gas

if a 2.5 L of Hydrogen is collected over water at 40C and 767 mmHg, what is the volume of dry gas at standard conditions, The vapor pressure of water is 55.3 mmhg at 40 C

  Explain why was acetone added to the reaction mixture only

Why was acetone added to the reaction mixture only after we briefly mixed the catalyst and the behzaldehyde? 3. Why doesn't the dibenzalacetone product react (via the aldol condensation pathway) with the excess benzaldehyde in the reaction mixture..

  What volume of hydrogen gas would be produced

If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?

  Compute the vapor pressure of a solution prepared

Calculate the vapor pressure of a solution prepared by dissolving 0.75 mol of safrole in 950 g of ethanol (46.07 g/mol)

  Calculate the new volume of the balloon

A balloon has a volume of 1.20 at 24.0 degrees Celsius. the balloon is heated to 48.0 degrees Celsius. calculate the new volume of the balloon.

  What will be the equilibrium overall pressure

If Kp = 0.032 at this temperature, what will be the equilibrium overall pressure starting from pure CaSO4(s)?

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