Untitled document - 2023-11-15T182449.721

In the equation - 2 HgOs) --> 2 Hgm + O2lg) How many moles of HgO are needed to produce 2 moles of O2? O 8 moles O 2 moles 4 moles 6 moles OOO

C6H8      +     O2      ------à     CO2      +      H2O How many moles of O2 are needed to form 60 moles of CO2 ?

QUesiton 3 help

a) 2 C₂H₆ + 7 O₂ --> 4 CO₂ + 6 H₂O Using the balanced chemical equation above, what mass of carbon dioxide, CO₂, is formed from 4.2 x 10²⁴ molecules of O₂ ?    b) Using4 NH₃ + 5 O₂ --> 4 NO + 6 H₂O Using the balanced chemical equation above, calculate the number of moles of water produced from 7.52 moles of NH₃ c) ___ Al +___ Pb(NO₃)₂-->___ Al(NO₃)₃ +___ Pb Balance the above chemical equation and enter the coefficients as your answer. Using the chemical equation you balanced above, how many moles of Al are needed to react completely with 200.0 grams of Pb(NO₃)₂ ?

Which of the following conversion factors is not consistent with the equation: 4NH3+5O2=4NO+6H2O A) 4 moles NH3/5 moles H2O B) 4 moles NO/5 moles O2 C) 5 moles O2/6 moles H2O D) 4 moles NO/4 moles NH3

1. Consider the reaction:2Al + 3H2SO4 Al2(SO4)3 + 3H2 If 12.5 g of Al is added to 14.36 g of H2SO4 and 5.0 g of Al2(SO4)3 is actually obtained, calculate the following: a)  the limiting reagent, b)  theoretical yield of Al2(SO4)3, c)  percent yield of the reaction

in the following chemical reaction, determine the number of moles of NH3 from 2.50 moles of H2 N2(g) + 3H2(g) ———-> 2NH3(g) a). 0.8 b). 0.833 c). 1.67 d). 2

Given the unbalanced chemical equation, CH3OH(1) + O2(g)→ CO2(g) + H2O(g), what is the mole ratio between CH3OH and CO2 (CH3OH:CO2)? O 1:1 O 2:1 O 1:2 O 3:2 « Previous MacBook Pro G Search or type URL

14) A 0.00125 g sample of unknown hydrocarbon is prepared for combustion analysis. After the hydrocarbon undergoes complete combustion, 0.00394 g of CO, and g of 0.00161 g H;0 are produced. What is the empirical formula of the unknown? A) CH2 B) CH3 C) C,H, D) CH E) C,H5

1 - Given the balanced equation:  2NO2→N2O4   What mass, in grams, of N2O4 is produced when 10 moles of NO2 is consumed? a)153 b)690 c)368 d)460 e)1150

Pls help ASAP. Pls help in all asked questions.

ITS A CHEMISTRY QUESTION I NEED HELP

5. How many moles of Al(C 2 H 3 O 2 ) 3 contain 19mol O ? 6. Determine the % composition by mass of the compound in question 5 .

CH4 + 2O2 --> 2H2O + CO2 How many moles of water (H2O) can be produced from the combustion of 7 moles of CH4 according to the balanced chemical reaction shown above?

what is the coefficient in front of the O2 when the equation is balanced (using only whole numbers abs the lowest whole number ratio) C2H6O(g)+O2(g)>CO2(g)+H2O(g)

1. How many g is present in a sample having 4.52 moles of CaCO3? 2. Methanol burns in air to form carbon dioxide and water: CH;OH + O2 > CO2 + H20 If 209 g of CH;OH are used up, what mass of H20 is produced? 3. Acetic acid (CH3COOH) can be produced based from the reaction: CH;COOC2H5 + H2O → CH;COOH + C2H,OH If there are 344.5 g of CH3COOC,H5 and 165.8 g of H20 How many moles of acetic acid will be produced? b. Calculate the percent yield if 125 g of acetic acid was produced а. 4. A sample containing 58.51 g manganese (Mn) is treated with an excess of sulfuric acid (H2SO4) to form manganese sulfate (MNSO,) and molecular hydrogen (H2). If 81.52% of manganese sulfate was produced experimentally, calculate the actual yield.

A Moving to another question will save this response. Question 7 Consider the following balanced reaction. What mass (in g) of C0 2 can be formed from 288 mg of O 2? Assume that there is excess C 3H 7SH present. C3H 7SH( ) + 6 0 2(8) - 3 CO 2( g) + SO 2(g) + 4 H 20( g) O 0.126 g CO2 O 0.396 g CO2 O 0.209 g CO2 O 0.198 g CO2 O 0.792 g CO2 A Moving to another question will save this response.

5) For the following reaction: I2 (g) + H2 (g) → 2HI (g) If the amount consumed from (I2) according to the above reaction is (50.8g) and the actual yield of HI is (40g) then the percentage yield of (HI) is equal to : a) 78.125% b) 15.625% c) 63.341% d)39.06% . 6) The remaining mass of (92g) of HNO3 if reacted with (24g) of LIOH according to the equation: HNO3 + LIOH → LİNO3 + H2 O wwww m a) 46 b) 29 c) 2 d) 11

Mg3N2 + 6H2O > 2NH3 + 3Mg(OH)2 a) How many moles magnesium hydroxide can be produced from 4.59 moles magnesium nitride? b) How many moles of magnesium nitride will react with 3.26 moles of water? c) If the reaction produces 1.37 moles ammonia, how many moles of magnesium hydroxide are made?

Consider the following reaction: CH4  +  2O2  -->  2H2O + CO2 How many moles of water can be formed from 3 moles of CH4 and 4.2 moles of O2? (give answer as number with no units)

How many molecules are in 0.200 g CO2? C= 12.01 g/mole and O = 16.00 g/mole    A.) 2.74 x10exp21 molecules B.) 1.20 x 10exp-21 molecules C.) 1180 molecules D.) 2.74 x 10exp22 molecules

BaCl2 + 2AgNO3->2AgCl + Ba(NO3)2   How many moles of silver chloride are produced from 4.56 moles ofbarium chloride?

Given the unbalanced chemical equation, C5H12(l) + O2(g)  →  CO(g) + H2O(l), which one of the following correctly expresses the mole ratio between CO and oxygen?   Group of answer choices A. 5 mole CO/11 mole O2 B. 1 mole CO/1 mole O2 C. 10 mole CO/11 mole O2 D. 10 mole CO/6.5 mole O2

Given 6Li + N2 0 2 LI3N, Determine the number of moles of lithium required to make 46.4 g of lithium nitride. O 1.89 moles 3.98 moles 4.18 moles 7.86 moles O None of the above

Use the balanced equation, 2NO + O₂ 1 2 NO₂, to answer the following questions. Part 1 of 3 Determine the limiting reactant. Select the single best answer. Ⓒ84.0 g NO O 81.0 g 0₂ Part 2 of 3 Part: 2/3 How many moles of the product NO, form? Round your answer to 3 significant figures. 2.498 mol NO₂ Part 3 of 3 X Continue 0.8 Ś X

3. Acetic acid (CH;COOH) can be produced based from the reaction: CH;COOC,H, + H,0 → CH;COOH + C2H;OH If there are 344.5 g of CH3COOC,H5 and 165.8 g of H2O a. How many moles of acetic acid will be produced? b. Calculate the percent yield if 125 g of acetic acid was produced

2Cr(OH)3 + 6HI -> 2CrI3 + 6H2O 1. If you start with 1000 g of HI, How many grams of H2O are formed? 2. If Actual yield of H2O is 700 g, What is the percent yield of H2O? 2C2H6 + 7O2 -> 4CO2 + 6H2O 1. How many grams of O2 are required to produce 10 moles of H2O? 2 Na + CI2 -> 2NaCI What mass of Na would be required to produce 12 moles of NaCI? Fe2O3 + 3CO -> 2Fe + 3CO2 If 2000 g of Fe2O3 reacts with 100 g of CO, how many moles of Fe would be produced? H2 + O2 -> H2O How many grams of H2 are needed to produce 72 grams of H2O? 4NH3 + 5O2 -> 4NO + 6H2O How many grams of NO form when a 25 g of NH3 is mixed with 32 g of O2?

USing the pdlanced equation. 1C3H8 + 502 3CO2 + 4H2O Determine the number of moles of CO2 formed from the combustion of 88 grams of C3H8. [Molar Masses (g/mole): C = 1 2; H = 1; O = 16] Oa. 264 moles CO2 b. 6.0 moles CO2 Oc. 1.5 moles CO2 Od. 3.0 moles CO2

How many grams of Al2O3 can be prepared from 81 g of Al and 96 g of O2 from the reaction:                                     4 Al  +  3 O2  --> 2 Al2O3 Group of answer choices a) 77 g b) 150 g c) 240 g d) 64 g