heat of combustion of CO = -283 KJ/mol
CO = 28 g/mol
28 g CO release 283 KJ
X g CO release 2500 KJ
X = 2500 x 28 / 283 = 247.3 g
mass of CO required = 247.3 g
Gd 15E " Ne Pu Am Cm Bk Cf Es Fm Md No What is the energy of the electron in a helium ion with a charge of +1 in an orbit with a value of n = 42 • Use k = 2.179 x 10-18 J. . Report your answer with three significant figures. Provide your answer below: FEEDBACK MORE INSTRUCTION SUBMIT Content attribution earch
"Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md What is the mole fraction of ammonia in a solution containing 12.5 g ammonia, (NH), and 500.0 g water? • Report the answer to three significant figures. Provide your answer below:
7 Reaction Yields OLD Ас Np Pu Am Cm Bk Cf Es if 11.7 g of aluminum reacts with 37.2 g of copper (II) sulfate according to the following reaction, how many grams of aluminum sulfate will be produced? 2A1 + 3CuSO4 + Al(SO4)3 + 3Cu Your answer should have three significant figures. (Round your answer to the first decimal place.) Provide your answer below:
Th Pa UNp Pu Am Cm Bk C Es Fm Md No Lr Write the complete electron configuration for the common monatomic ion formed by the element chlorine, Cl Cs Ba La Hf Ta WRe Os Ir Pt Au Hg TIPb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa UNp Pu Am Cm Bk Cf Es Em Md No Lr Write the complete...
Am Cm Bk Cf Es Fm Md No Lr An ideal solution of 100. g of water and 2.00 moles of a nonvolatile solute is created at 30.0°C. Given that the vapor pressure of water is 31.8 torr at 30.0°C, what is the vapor pressure of the solution? Your answer should have three significant figures. Provide your answer below: torr 03 PM 2721219 4 Previous
La SA Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Үb 1414 15 HE Ac Pa Np Pu Am Cm BK 101 Md Cf HE Es Fm No 2 ON Which of the following would have the higher boiling point? Select the correct answer below: OCH,CN CH O They have the same boiling point. There is not enough information to determine this. FEEDBACK MORE INSTRUCTION SUBMIT Content attribution
Pr Nd Ac Th Pa U Np Pu "Am "Cm "BK How many atoms are in 9.61 g of germanium? Select the correct answer below: O 7.97 x 1022 atoms 5.79 10% atoms ooo 4.55 x 10% atoms 4.37 x 10" atoms Content attribution QUESTION 10.1 POINT Use the Periodic Table below to answer the question that follows
La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Ac Th Pa U Np Pu Am Cm Bk Cf Es Er Fm What would be the molarity of a solution made from 78.5 g Ca(OH), in 500.0 mL of water? Select the correct answer below: O 1.16 x 104 M O2.12 10 M 02.12 M O 11.6M Content attribution QUESTION 9.1 POINT chodie
Ac Th Pa Np Pu Am Cm Bk C Fm Md No 9 A 12.00 g sample of MgCl, was dissolved in water. 0.2500 mol of AgNO, was required to precipitate all the chloride ions from the solution. Calculate the purity (as a mass percentage) of MgCl, in the sample. • Your answer should have four significant figures (round to the nearest hundredth of a percent). Provide your answer below:
14 14 Cetum Lenthanum Irasodynturl 91 Pa mllm Samwkum Terbum ter 90 97 Am Cm 93 302 103 Lr No Np Pu Ac Th Cf Es Bk Fm Md are DINIB Datactinem The Butium Menteledom Ferm Determine the mass (in grams) of C4 H10 that is required to produce 14.7 g CO,. The balanced equation for the complete combustion of butane is shown below. 2C,H10 + 13 0, - 8 CO, + 10 H,0 • Your answer should have three...