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A 54 Newton horizontal force pushes a 5.0 kg mass sitting on a horizontal surface. Additionally, the horizontal surface exerts a 30 Newton frictional force on the mass. What is the acceleration of the mass?
A 0.338-g same of anhydrous sodium carbone, Na2CO3, is dissolved in water and titrated to a methyl orange endpoint with 15.33 mL of a prepared hydrochloric acid solution. What is the molar concentration of the HCl solution
hydrochloric acid was added to a 50.00 mL solution containing your sodium carbonate unknown. calculate the pH of the solution at the second equivalence point.
Inside the container is an ideal gas at 1.00 , 20.0 , and 1.00 .What will the pressure inside the container become if the piston is moved to the 1.80 mark while the temperature of the gas is kept constant
Draw the mechanism for each reaction you will do today. Pyridinium tribromide releases molecular bromine, so molecular bromine is the brominating agent.
the activity of a radioisotope is 3000 counts per minute at one time and 2736 counts per minute 48 hours later. what is
Draw the Lewis structure and structural formulas for CCl3F. Sketch the spacefiling model and the charge-density model for this molecule.
a fixed quantity of gas at 25degc exhibits a pressure of 724 torr and occupies a volume of 5.90 l.a use boyles law to
a chemist is studying small organic compounds for their potential use as an antifreeze. when .243g of a compound is
what is the percent of ethanol in the vodka, based on the concentraion od Cr^3+. PLEASE I AM so stuck! HELP this is the formula used 16H^+ + 3CH2CH2OH + 2Cr2O7^2- = 3CH3CO2H + 4Cr^3+ + 11H2O.
Concentrated stock HCl has a molecular weight of 36.46 and contains 32g of salt for every 100g of acid (termed as 32% w/w). To prepare molar solutions %w/w must be converted into %w/v by considering the density of stock HCl which is 1.16.
Without using equations, explain why Delta S for a liquid or solid is dominated by the temperature dependence of S as both P and T change.
Problem- Changing the conditions of the reaction can alter the value of the change in free energy (?G). Sort the following conditions as to whether each would decrease the value of ?G, increase the value of ?G, or not change ?G for the reaction. F..
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