As 1 mega Pascal = 106 Pa
Thus, pressure = 7.416×107 Pa = 7.416×10 Mega Pascal. = 74.16 Mpa
Objective Knowledge Check Question / A geophysicist measures the pressure in a borehole. The pressure is...
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Objective knowledge Check Suppose the galvanic cell sketched below is powered by the following reaction: Fe(s)+Pa(NO3), (aq) → Fe(NO3),(aq)+Pd(s) Write a balanced equation for the half-reaction that happens at the cathode of this cell. Write a balanced equation for the half-reaction that happens at the anode of this cell. Of what substance is E1 made? 00.00. Of what substance is E2 made? What are the chemical species in solution Sl? ! What are...
ALEKS-Kate Slettes - Knowledge Check = Objective Knowledge Check Question 4 - A chemist adds 300.0 ml of a 0.400M copper(II) sulfate (Cuso) solution to a reaction flask. Calculate the millimoles of copper(II) sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
Objective Knowledge Check Question 9 mixture of xenon and oxygen gas is expanded from a volume of 47.0 L to a volume of 92.0 L, while the pressure is held constant at 56.0 atm. Calculate the work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and the correct number of significant digits 0-100 oD らさ 3 5
Ξ Intial Knowledge Check Question 5 An organic chemist measures the temperature T of a solution in a reaction flask. Here is the result. T 48.832°C Convert T to SI units. Round your answer to 3 decimal places. Suspect n shootng at Fionds vides pame
= Objective Knowledge Check Question 6 The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E. - 66.0 kJ/mol. If the rate constant of this reaction is 2.4 x 10M 's at 0.0°C, what will the rate constant be at 74.0°C? Round your answer to 2 significant digits.
= Objective Knowledge Check Question 15 Write the empirical formula for at least four ionic compounds that could be formed from the following ions: Pb**, so-NH, IO.
= Objective Knowledge Check Question 19 A scientist makes a measurement and gets a value of 4.18 cm. The true value is 3.00 cm. Calculate the absolute and relative error of the scientist's measurement Round your answers to a reasonable number of decimal places. Also be sure your answers include any necessary symbols. absolute error: 0 relative error: 0 5 ?
Objective Knowledge Check Question 5 Find the slope of the line graphed below.
= Objective Knowledge Check Question 12 Suppose a 250 ml flask is filled with 1.6 mol of Bry, 1.7 mol of Oct, and 1.0 mol of BrCl. The following reaction becomes possible: Br2(8) +OC1,() - BrOCI(g) +BrCl(g) The equilibrium constant K for this reaction is 2.54 at the temperature of the flask. Calculate the equilibrium molarity of Brz. Round your answer to two decimal places. OM X 5 ?
Objective Knowledge Check Question 5 Calculate the heat of reaction AH for the following reaction: 2 NHỊg)ẠN,(g) + 3H5(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol.