11. Which one of these elements is not a gas at room temperature? A. chlorine B....
11. Which one of these elements is not a gas at room
temperature?
A. chlorine
B. fluorine
C. nitrogen
D. oxygen
E. sulfur
22. Determine all of the ionic compounds from the compounds
listed below.
I.
CaH2 II.
H2S III.
SiH4
A. I only
B. II only
C. I and II
D. I and III
E. II and III
32. Based on the following options, select the substance with
hydrogen in the +1 oxidation state.
A. KH
B. CH4
C. H2
D. AlH3
E. SrH2
41. A chemical formula of the carbide ion is
A. Si4–
B. C2–
C. C22–
D. CN–
E. C3–
15. Which of these reactions is an example of nitrogen fixation?
A. 2N2O 2N2 + O2
B. NH3 + H2O NH4+ +
OH–
C. N2 + O2 2NO
D. 2NO2 + H2O HNO2 +
HNO3
E. 2NO + O2 2NO2
16. When phosphate rock,
Ca3(PO4)2(s), is converted to
phosphorus,
A. one of the products of the reaction is water.
B. sulfuric acid is added to generate insoluble calcium
sulfate.
C. hydrogen is used to reduce the phosphate to phosphorus.
D. silica is added to form a calcium silicate slag.
E. oxygen must be added to prevent reaction of P4.
27. When liquid phosphorus trichloride reacts with water, the
products are
A. PCl5 and H3PO4.
B. H3PO3 and Cl2.
C. H3PO4 and HCl.
D. H3PO4 and Cl2.
E. H3PO3 and HCl.
18. Which of the following will oxidize gold?
A. concentrated nitric acid
B. concentrated hydrochloric acid
C. aqua regia, a mixture of concentrated nitric acid and
concentrated hydrochloric acid
D. all of the above can oxidize gold
E. none of the above can oxidize gold because it is a noble metal
and too low on the activity series
29. Ozone (O3) and oxygen gas (O2) are
examples of
A. isotopes.
B. allotropes.
C. polymorphs.
D. alloys.
E. amphoterism.
10. Select basic oxide from the choices given.
A. CaO
B. SiO2
C. CO2
D. P4O6
E. H2O2
11. Which of the following choices is/are covalent oxides?
I. SrO
II.
SiO2
III.
SO2
A. I only
B. II only
C. III only
D. I and II
E. II and III
32. Which one of the following compounds can react with water to
form oxygen gas?
A. PCl5
B. NO2
C. H2O2
D. KH
E. NH3
13. In which of the following compounds is nitrogen in a
positive oxidation state?
A. NH3
B. N2H4
C. NH2OH
D. N2
E. NO
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
11. Which one of these elements is not a gas at room
temperature?
A. chlorine
B....
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline...
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline earth metals coinage metals (Group 1B) transition metals Group 2B metals Determine all of the covalent hydrides from the compounds listed below. CaH2 H2S SiH4 I only II only I and II I and III II and III Based on the following options, select the substance with hydrogen in the +1 oxidation state. KH CH4 H2 AlH3 SrH2 Which of these substances is being...
1) Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S...
1) Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S III. SiH4 2) A chemical formula of the carbide ion is A. Si4– B. C2– C. C22– D. CN– E. C3– 3)Which of these reactions is an example of nitrogen fixation? A. 2N2O 2N2 + O2 B. NH3 + H2O NH4+ + OH– C. N2 + O2 2NO D. 2NO2 + H2O HNO2 + HNO3 E. 2NO + O2 2NO2 4)When phosphate rock, Ca3(PO4)2(s), is...
23. Which one of the following compounds can react with water to form oxygen gas? A)...
23. Which one of the following compounds can react with water to form oxygen gas? A) PCl5 B) NO2 C) H2O2 D) KH E) NH3 24. Which one of the following compounds can react with water to form hydrogen gas? PCl5 NO2 H2O2 KH NH3 If you can explain both that would be greatly appreciated thank you!
22. Which of the following choices is/are ionic oxides? a. SrO b. SiO2 c. SO2 A)...
22. Which of the following choices is/are ionic oxides? a. SrO b. SiO2 c. SO2 A) I only B) II only C) III only D) I and II E) II and III
11. Identify the product(s) of the following reaction. A. I B. II C. III D. IV...
11. Identify the product(s) of the following reaction. A. I B. II C. III D. IV E. V Gom Do is a From co be on) porno porno olyan 12. What is the final product obtained when toluene is subjected to the following reaction sequence? i) Clz (large excess), heat, hv; ii) OH-/H20, heat; iii) H30+ A. I OH B. II OH COH C. III U OH D. IV E. V I II Hol YCC, III HOCCI3 C/ стон с...
33, Addition of an acid to one of the following substances will lead to the formation of a gas. Which one? a) Caco,...
33, Addition of an acid to one of the following substances will lead to the formation of a gas. Which one? a) Caco, b) Car(OH) ) NaS0 ) Ba0 e)none of these 34, What is the shorthand notation for the electronic configuration of vanadi um a) [Arj4s'3db) [ArJ4s 3d (Arj3d' d) (Caj4s'3d e) none of these 35·The relationship between ΔE. AH, p and V is: e) none of these 36. Compounds of three of the following elements are very poisonous....
Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answ
Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f Would appreciate a verification and as to why I might be wrong or right instead of a link saying what is an ionic compound thank you
Which of the following compounds is least acidic? a. I b. II c. III d. IV...
Which of the following compounds is least acidic? a. I b. II c. III d. IV e. V HBr HCI NH3 ?? IV
29. Which are the major reaction products of the following reaction, which is carried out in...
29. Which are the major reaction products of the following reaction, which is carried out in an inert solvent? AICI: solvent NO2 Oló - o 02 a) I and II b) III and IV c) I and IV d) II and III 30. Which is the major product of the following reactions? CH3CI Cl2 K2Cr207 FeCl3 FeCl3 H2SO4 a) para-chlorobenzoic acid b) meta-chlorobenzoic acid c) a mixture of para- and meta-chlorobenzoic acid d) a mixture of ortho- and para-chlorobenzoic acid...
Wetan Which of the following compounds are dashed following compounds are dassted as carbonyl compounds acetic...
Wetan Which of the following compounds are dashed following compounds are dassted as carbonyl compounds acetic acid methvi tommate 2-propanol butanal (a) only! (b) L and I) IL 111 Vand d) 1. ll. lll, and V (e) all of them 2 Kevlar is a polymer the functional groups present in Kevlar shown below! Kevlar is due to the hydrogen bonds between the polymer y er that is used in bulletproot vests and tires. Part of the strength of bonds between...
11. Identify the product(s) of the following reaction. A. I B. II C. III D. IV E. V Gom Do is a From co be on) porno porno olyan 12. What is the final product obtained when toluene is subjected to the following reaction sequence? i) Clz (large excess), heat, hv; ii) OH-/H20, heat; iii) H30+ A. I OH B. II OH COH C. III U OH D. IV E. V I II Hol YCC, III HOCCI3 C/ стон с...
33, Addition of an acid to one of the following substances will lead to the formation of a gas. Which one? a) Caco, b) Car(OH) ) NaS0 ) Ba0 e)none of these 34, What is the shorthand notation for the electronic configuration of vanadi um a) [Arj4s'3db) [ArJ4s 3d (Arj3d' d) (Caj4s'3d e) none of these 35·The relationship between ΔE. AH, p and V is: e) none of these 36. Compounds of three of the following elements are very poisonous....
29. Which are the major reaction products of the following reaction, which is carried out in an inert solvent? AICI: solvent NO2 Oló - o 02 a) I and II b) III and IV c) I and IV d) II and III 30. Which is the major product of the following reactions? CH3CI Cl2 K2Cr207 FeCl3 FeCl3 H2SO4 a) para-chlorobenzoic acid b) meta-chlorobenzoic acid c) a mixture of para- and meta-chlorobenzoic acid d) a mixture of ortho- and para-chlorobenzoic acid...
Wetan Which of the following compounds are dashed following compounds are dassted as carbonyl compounds acetic acid methvi tommate 2-propanol butanal (a) only! (b) L and I) IL 111 Vand d) 1. ll. lll, and V (e) all of them 2 Kevlar is a polymer the functional groups present in Kevlar shown below! Kevlar is due to the hydrogen bonds between the polymer y er that is used in bulletproot vests and tires. Part of the strength of bonds between...
Most questions answered within 3 hours.
-
Suppose N packets are sent,
and each packet arrives at rate of L/2R to a link....
asked 10 minutes ago -
17. Show the steps involved in reduction of the ketone in fatty
acid synthesis. Which cofactor...
asked 11 minutes ago -
5.61 g of octane, C8H18, reacts with excess oxygen in a bomb
calorimeter. The heat capacity...
asked 15 minutes ago -
The velocity field of a flow is given by V = (2+1) x
y2 i +...
asked 25 minutes ago -
(EPS with
Convertible Bonds) On June 1, 2012, Bluhm Company and
Amanar Company merged to form...
asked 22 minutes ago -
2. Discuss why the study exemplifies one that agrees with The
American Psychological Association’s (APA) Ethical...
asked 26 minutes ago -
Without considering the following capital gains and losses,
Charlene, who is single, has a taxable income...
asked 33 minutes ago -
1a. The __________ functional group often triggers our sense of
smell.
1b. The geometry around a...
asked 47 minutes ago -
A uniform plank of length 2.00 m and mass 34.0 kg is supported
by three ropes,...
asked 47 minutes ago -
Suppose a floor on a hospital has 12 physicians at any given
time. You are brought...
asked 1 hour ago -
Compartmentalization
in eukaryotic cells facilitates chemical reactions happening faster
due to... Select all
Substrates needed for...
asked 48 minutes ago -
The deltaH for the solution process when solid sodium
hydroxide dissolves in water is 44.4 kJ/mol....
asked 51 minutes ago