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answer the below questions with correct figures
A cylinder contains 30.5 L of oxygen gas at a pressure of 1.6 atm and a temperature of 300 K .
How many moles of gas are in the cylinder?
Express your answer using two significant figures.
if you are told that the purity of compound z is 87 and the reported value for its molar extinction coefficient is 9200
When Fe(NO3)3 is dissolved in water, hexaaquiron(III) ions, Fe(H2O)6 3+, forms. Fe(H2O)6 3+ ions hydrolyze in aquesous solution accoring to the equation given below.
Describe the incident and identify the polymeric or explosive materials and discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident.
A solution is 0.20M Ba(OH)2. How many moles of H+ must be added to neutralize 100.0ml of the solution
sketch reasonably accurately the ph curve for the titration of10.0 ml of 0.001m koh aq with 0.1m hcl aq. calculate and
What is an alternative way to draw this molecule? (include the resulting formal charge on the Nitrogen, please)
if the empty cylinder has the mass of 94.2g and the cylinder with water has the mass of 138.7 g what is the mass of water, volume of water and the density of water.
Understand how the ability to form hydrogen bonds gives water cohesiveness and how this property is exploited by living things.
83 mL of ethanol with a density of 0.79 g/cm3 was dissolved in to water making 220.00 mL of solution. what is the concentration of ethanol.
Offer the structures of the expected main organic products(s) generated upon completion of the subsequent reaction scheme.
calculate the expected change in temperature for 4.5 g of nh4no3 dissolved in 100.0 ml of h2o.assume that the
Determine the molar mass of carbon dioxide by measuring the mass of an Erlenmeyer flask full of the gas. The following calculations are intended to familiarize you with the general procedure:
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