identify the compound with the pure substance -O2 -HCl -SO2 -all of the above
Homework Answers
Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure.
Pure substances are further classified as elements and compounds.
An element is a substance that consists of only one type or kind of atom. An element is a pure substance as it cannot be broken down or transformed into a new substance even by using some physical or chemical means. Elements are mostly metals, non-metals or metalloids.
Compounds, on the other hand, are also pure substances when two or more elements are combined chemically in a fixed ratio. However, these substances can be broken down into separate elements by chemical methods.
Here, O2 is element and HCl & SO2 are compound.
Hence, correct option is : • all of the above
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identify the compound with the pure substance
-O2
-HCl
-SO2
-all of the above
Identify the type of bonding that is present in: N2, O2, HCl, H2O, NH3, SO2, BeCl2,...
Identify the type of bonding that is present in: N2,
O2, HCl, H2O, NH3, SO2,
BeCl2, BF3NH3,
B2H6, NaCl, CaCl2, KBr, and
Ca3(PO4)2
Please put the answer in a complete sentence and if there is
more than one of bonding present, all types of bonding must be
identified.
2. Identify the type of bonding that is present in The instructors will choose one of the compounds in this list: N2, O2, HCI, H2O, NH3, SO2, BeCl2, BF3NH3, B2H6, NaCl, CaCl2,...
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34 Would a sample of air be categorized as: a pure substance a mixture a compound...
34
Would a sample of air be categorized as: a pure substance a mixture a compound an element or none of these
For the following reaction identify the substance oxidized and the substance reduced: 3502 + 2HNO3 +...
For the following reaction identify the substance oxidized and the substance reduced: 3502 + 2HNO3 + 2H20 — 37,804 + 2NO The substance oxidized is: Choose one: O A. NO O B. H2O O C. H2SO4 O D. SO2 O E. HNO3 The substance reduced is: Choose one: O A. SO2 O B. NO O C. H2O O D. HNO3 O E. H2SO4
1. Classify each of the following as a pure substance or a mixture. If it is...
1. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. (a) Air (b) Sugar (c) Brass gas (e) Wine (d) (1) Chlorine Soil
2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g) Compound ΔHof (kJ/mol) Sof (J/mol.K)...
2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g) Compound ΔHof (kJ/mol) Sof (J/mol.K) H2S(g) -20.6 205.8 O2(g) 0 205.2 H2O(l) -285.8 70.0 SO2(g) -296.8 248.2 1.Calculate ΔHrxn. 2.Calculate ΔSsurroundings. 3Calculate ΔSuniverse.
For the following reactions, identify the substance oxi- dized, the substance reduced, the oxidizing agent, and...
For the following reactions, identify the substance oxi- dized, the substance reduced, the oxidizing agent, and the reducing agent. (a) Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O b) 3SO2 + 2HNO3 + 2H,0 + 3H2SO4 + 2NO
QUESTION 1 Gatorade is an example of a Heterogeneous Mixture Homogeneous Mixture Compound Pure substance QUESTION...
QUESTION 1 Gatorade is an example of a Heterogeneous Mixture Homogeneous Mixture Compound Pure substance QUESTION 2 A piece of material has a mass of 125.42 g. When the gem is placed in a graduated cylinder containing 50.0 ml. of water, the water level rises to 88.5 mL. What is the density of the gem in g/ml? 3.26g/mL 1.42g/mL 2.84g/mL 0.307g/ml Click Save and Submit to save and submit. Click Save All Answers to save all answers
Which of the following describes the compound SO2? Choose all answers that apply. A. The compound...
Which of the following describes the compound SO2? Choose all answers that apply. A. The compound would be expected to have a relatively low melting point. B. The compound is ionic. C. If the compound dissolved in water, it would be expected to be a strong electrolyte. D. The compound would be expected to have a relatively high melting point. E. The compound is molecular.
Consider the following equilibrium reaction : Heat + 2 SO2 (g) + O2(g) ↔ 2 SO3(g) Assume the above...
Consider the following equilibrium reaction : Heat + 2 SO2 (g) + O2(g) ↔ 2 SO3(g) Assume the above reaction is allowed to reach equilibrium prior to the following changes. Answer the following questions by writing increase, decrease or remain the same on the line. **please also explain why** If the reaction mixture is heated up , the value of the equilibrium constant will _______________________ If SO2 (g) is added to the reaction vessel the concentration of O2(g) will____________________________. If SO3 (g) is...
Identify the type of bonding that is present in: N2,
O2, HCl, H2O, NH3, SO2,
BeCl2, BF3NH3,
B2H6, NaCl, CaCl2, KBr, and
Ca3(PO4)2
Please put the answer in a complete sentence and if there is
more than one of bonding present, all types of bonding must be
identified.
2. Identify the type of bonding that is present in The instructors will choose one of the compounds in this list: N2, O2, HCI, H2O, NH3, SO2, BeCl2, BF3NH3, B2H6, NaCl, CaCl2,...
34
Would a sample of air be categorized as: a pure substance a mixture a compound an element or none of these
For the following reaction identify the substance oxidized and the substance reduced: 3502 + 2HNO3 + 2H20 — 37,804 + 2NO The substance oxidized is: Choose one: O A. NO O B. H2O O C. H2SO4 O D. SO2 O E. HNO3 The substance reduced is: Choose one: O A. SO2 O B. NO O C. H2O O D. HNO3 O E. H2SO4
1. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. (a) Air (b) Sugar (c) Brass gas (e) Wine (d) (1) Chlorine Soil
For the following reactions, identify the substance oxi- dized, the substance reduced, the oxidizing agent, and the reducing agent. (a) Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O b) 3SO2 + 2HNO3 + 2H,0 + 3H2SO4 + 2NO
QUESTION 1 Gatorade is an example of a Heterogeneous Mixture Homogeneous Mixture Compound Pure substance QUESTION 2 A piece of material has a mass of 125.42 g. When the gem is placed in a graduated cylinder containing 50.0 ml. of water, the water level rises to 88.5 mL. What is the density of the gem in g/ml? 3.26g/mL 1.42g/mL 2.84g/mL 0.307g/ml Click Save and Submit to save and submit. Click Save All Answers to save all answers
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