9:29 Question 18 of 25 Submit How many liters of hydrogen gas would be produced by the complete reaction of 2.93 g of Al at STP according to the following reaction? Remember mol of an ideal gas has a volume of 22.4 L at STP Al (s) + HCI (aq) → AICI3 (aq) + H2 (g) х STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 2.93 3.65 g H2 me 22.4 1.62 mol H2 2.02 7.30 L H2 g/m 26.98 g/mol H2 6.022 x 1023 0.329 g Al 2. 3.

If a pOH meter is placed in a 0.00300 mol/L solution of nitric acid, the POH reading would be: O 3.00 O 11.5 O 0.500 O 0.300 O 2.50

If a 1.101 g sample of an unknown organic molecule that contains C, H, and Cl is burned with excess oxygen gas to produce 1.977g of CO2 and 0.268 g of H2O by the generalized reaction below C[a] H[b] Cl[c] + excess O2 = xCO2+ yH2O+zCl2   Determine the mass % of Cl in the unknown

6:18 A a0 Question 2 of 8 Submit How many moles of aluminum are required to completely react with 107 mL of 6.00 M H,SO, according to the balanced chemical reaction: 2 Al(s) + H,SO,(aq) → Al,(So,),(aq) + 3 |H2(g) TARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 98.08 6.00 428 0.0374 m 1000 0.963 107 2 1 0.001 6.022 x 1023 3 0.428 II

Calculate the number of moles of water in a solution that contains 16 g NaOH in 320 mL water. (a) 176 moles (b) 17.6 moles (c) 1.76 moles (d) 0.176 moles (d)

Remaining Time: 1 hour, 01 minute, 47 seconds. * Question Completion Status: QUESTION 2 The number of water molecules in 2.3 mg of water is O 6.02 x 1023 O 77.0 x 1023 O 7.7 x 1023 O 7.7 x 1019 none of the above QUESTION 3 A ctudent makes a colution bu discolvina 254a ofNDOH int0 450 gof water Wh. Click Save and Submit to save and submit. Click Save All Answers to save all answer ere to search DELL

QUESTION 6 How many grams of water are needed to react with 18.2 g of Mg 3N 2 in the following reaction? Mg 3N 2 + 6H20 --> 3 Mg(OH)2 + 2 NH 3

A Login My AP Login - Coll. LanguageTool -Onl.. Co Biography of Albert. Crillegnettouth Pre-AP Unit 3 Learning Checkpolnt 2 1 (3 10 11 Question 9 D CH, (g) + 2 O2 (g) CO, (g) + 2 H20 (g) When CH, (g) is burned in O,(g), the reaction represented by the equation occurs. If 32 g of CH, is burned completely, how many moles of CO, are produced? Enter the number of moles to the nearest whole number. mol

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Question 16 of 40 Write the balanced NET ionic equation for the reaction when aqueous BaCk and aqueous (NH4)2SO4 are mixed in solution to form aqueous NH.CI and solid BaSO4. 04 3- 2+ 3+ 4+ 1 2. 3 4. 6. 8. 9. 0. 13 (s) (1) (g) (aq) Ba CI hp 7. 1L