A) mass % = (mass of individual element / total mass) x 100
mass % Ca = (3.55 / 7.2) x 100
mass % Ca = 49.3 %
mas % F = 100 - 49.3 = 50.7
mass % Ca , F = 49.3 , 50.7
B) (C3H5)2S = 114.21 g /mol
114.21 g (C3H5)2S contain 32 g S
15.4 g (C3H5)2S contain 15.4 x 32 / 114.21 = 4.31 g
mass of S = 4.31 g
t/itemView?assignmentProblemID-98937507 Part A 3.55 g of Ca and 3.65 g of F Express your answers using...
Part A 400 g of Na, 254 g of S, and 3 81 g of O Express your answers using one decimal place separated by a comma 10 AEO + O ? Mass %: Na, S, O- Submit Request Answer Part B 0.460 g of Cand 0.043 g of H Express your answers using one decimal place separated by a comma O AEO ? Mass %:CH Submit Request Answer 0 AED + O ? Mass %:CH- Submit Request Answer -...
Part C CaF2 Express your answer as signed integers separated by a comma. the oxidation states of Ca F = Submit Request Answer Part D NH3 Express your answer as signed integers separated by a comma. the oxidation states of N H = Assign oxidation states to each atom in each of the following species.
Determine the pH for the following solutions: Part A [OH-] = 2.7x10-7M Express your answer using two decimal places. ANSWER: pH = Part B H3O+] = 4.7x10-3M Express your answer using two decimal places. ANSWER: pH = Part C [H3O+] = 2x10-4M Express your answer using one decimal place. ANSWER: pH = Part D [OH-] = 8.0x10-9 M Express your answer using two decimal places. ANSWER: pH = Problem 10.92 Calculate the [H3O+] and [OH-] for a solution with the...
Determine the r and y components of reaction at A Express your answers using three significant figures separated by a comma Consider the two-member frame shown in (Figure 1). Suppose that w 410 N/m vec kN Submit Request Answer Figure Part B 1 of 1 Determine the r and y components of reaction at C is Express your answers using three significant figures separated by a comma vec Ca, Cy kN Submit
Determine the a and y components of F1 using scalar notation Express your answers using three significant figures separated by a comma. Consider the gusset plate of a bridge truss shown in (Figure 1) Suppose that F1 48 kN, F-3.6 kN F 2.4 kN and F4 36 kN vec F. Fy 3.34,2.71 kN Submit Previous Answers Reauest Answer Figure 1 of 1 X Incorrect: Try Again; 5 attempts remaining Part B Determine the r and y components of Fe using...
Complete the table Mass Complete the row for KNOs Mol Volume Express your answers using three significant figures separated by a comma Solute Solute Solution Molarity Solute 133.0 KNOs 23.0g mL 240.0 mL 0.110 м NaHCOs Solute, Molarity mol, M 56.38 0.150 м C12H22On Submit Request Answer Part B Complete the row for NalHCO Express your answers using three significant figures separated by a comma VOAEO Solute, Solube mol Review I Constants I Pem Complete the table: Mass Mol Volume...
Part A 0.19 M NaOH Express your answer using two significant figures. Enter your answers numerically separated by commas. 30 AZ OO ? [OH-], H0+] - 5.3 • 10-14 Submit Previous Answers Request Answer Part B Express your answer to two decimal places. Enter your answers numerically separated by commas. © A ¢ O 2 ? pH. pOH = Submit Request Answer Part 2 Part C 1.4x10-3M Ca(OH), er using two significant figures. Enter your answers numerically shparated by commas....
Part A What is the initial thermal energy of each gas? Express your answer using two significant figures. Enter your answers numerically separated by a comma. Review 1.5 g of helium at an initial temperature of 280 nteracts thermally with 9.0 g of oxygen at an initial temperature of 620 E(He),Es (O2)- Submit Part B What is the final thermal energy of each gas? Express your answer using two significant figures. Enter your answers numerically separated by a comma. ΑΣ...
MasteringPhy t/itemView?assignmentProblem The figure shows hwo examples of SHM labeled A and B Foure 1) For each, what is the amplitude Express your answers using two significant figure vAZ As Ag Subrmit BeaustAs Part B For each what is the frequency Express your answers using two signficant figures separated by a comms Figure x (m) AA Beauest Subrnt Part C tis 20v 40 10 3.0 For eachwhat the Express youur answers ing hee signcant figures separated by a comma WMcAfee...
Find x- and y-components of the following
vectors.
1) v⃗ =(9.0m/s,negativey−direction)
Express your answers using two significant figures. Enter your
answers numerically separated by a comma
2) a⃗ =(24m/s2,58∘belowpositivex−axis)
Express your answers using two significant figures. Enter your
answers numerically separated by a comma.
3)
F⃗ =(70N,47.5∘counterclockwisefrompositivey−axis)
Express your answers using two significant figures. Enter your
answers numerically separated by a comma.
Find x- and y-components of the following vectors. - Part A V = (9.0m/s, negative y direction) Express...