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Q1 Hybridization 3 Points 1.) Identify the hybridization of the highlighted carbon below. 1. Identify the...
Identify the unknown element for the gas XH3 from the following information: P = 2.50 atm,...
Identify the unknown element for the gas XH3 from the following information: P = 2.50 atm, T = 300.15 K, d = 3.45 g/L. N, P , As , Sb , or Bi What is the mass percentage of iron in an iron ore sample that is 1.34 g if 22.0 mL of 0.500 M HCl was used in a titration set up? The unbalanced reaction for this reaction is: HCl(aq) + Fe(s) → FeCl3(aq) + H2(g) 45.8% 91.7% 30.4%...
1. A sample of iron is reacted with excess hydrochloric acid and the hydrogen is collected...
1. A sample of iron is reacted with excess hydrochloric acid and the hydrogen is collected in a 10.L flask at 25°C, where it exerts 73 torr of pressure. What was the mass, in grams, of the iron that was dissolved in the HCl? Fe(s) + 2HCl(aq) --> FeCl2(aq) + H2(g) 2. Nitrogen monoxide reacts with oxygen to produce nitrogen dioxide in the reaction shown below. If you mix oxygen and nitrogen monoxide at the correct stoichiometric ratio, and both...
1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and...
1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and oxygen are needed to make 85 g of vanadium (V) oxide? Ans. 48 g of vanadium and 37 g of oxygen 2. Iron(III) oxide can be converted to iron metal and water by heating it with hydrogen gas. If 100. g of iron(III)oxide is reacted with 2.00 g of hydrogen gas, how much iron metal will be formed? Ans. 36.9 g Fe 3. How...
VO V205 1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and - oxygen are needed...
VO V205 1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and - oxygen are needed to make 85 g of vanadium (V) oxide? Ans. 48 g of vanadium and 37 g of oxygen. 2( 50, 942) +5lis.499 ) 85g U2O5 x 1 mol v2 og 181.879 gvos k 181.87ague5 Imol v₂O5 2. Iron(III) oxide can be converted to iron metal and water by heating it with hydrogen gas. If 100 g of iron(III)...
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons &n
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons (3) transfer of electrons (2) sharing of protons (4) transfer of protons In this reaction, CO→ 2 CO + O2 the oxidation number of carbon changes from: (1) 0 to +4 (3) +3 to 0 (2) +2 to +4 (4) +4 to +2 Which balanced equation represents a redox reaction? AgNO3 (aq) +NaCl (aq) →AgCl (s) +NaNO3 (aq) H2CO3 (aq)...
if you can't answer all ,please don't answer 1) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize t...
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize the acetic ac neutralized with 0.5 M NaOH. id? (3 pts) (b) What is the concentration of the acetic acid solution? (7 pts) nial Reading 15m Burette Final Reading 32 ml NeDH (aq Known Concentraton )+20mt_灬| 1 of Total volume of 2 on vnegar ies 5 drops acetic acid 25ml c) An acid solution is titrated to the end point by a...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO2 A) 0 lone pairs, linear 1 lone pair, bent B) C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear 2. Predict the geometry and polarity of the CS2 molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar 3. Which...
1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and oxygen are needed to make 85 g of vanadium (V) oxide? Ans. 48 g of vanadium and 37 g of oxygen 2. Iron(III) oxide can be converted to iron metal and water by heating it with hydrogen gas. If 100. g of iron(III)oxide is reacted with 2.00 g of hydrogen gas, how much iron metal will be formed? Ans. 36.9 g Fe 3. How...
VO V205 1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and - oxygen are needed to make 85 g of vanadium (V) oxide? Ans. 48 g of vanadium and 37 g of oxygen. 2( 50, 942) +5lis.499 ) 85g U2O5 x 1 mol v2 og 181.879 gvos k 181.87ague5 Imol v₂O5 2. Iron(III) oxide can be converted to iron metal and water by heating it with hydrogen gas. If 100 g of iron(III)...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize the acetic ac neutralized with 0.5 M NaOH. id? (3 pts) (b) What is the concentration of the acetic acid solution? (7 pts) nial Reading 15m Burette Final Reading 32 ml NeDH (aq Known Concentraton )+20mt_灬| 1 of Total volume of 2 on vnegar ies 5 drops acetic acid 25ml c) An acid solution is titrated to the end point by a...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO2 A) 0 lone pairs, linear 1 lone pair, bent B) C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear 2. Predict the geometry and polarity of the CS2 molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar 3. Which...
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