Concept explainers
(a)
Interpretation:
The chemical formula for the compound Nickel (II) nitrate has to be written.
Concept Introduction
An atom or a molecule having a net electrical charge is known as atom. Charge of the electron is negative and charge of the proton is positive. Both electron and proton have the same magnitude. Positively charged ion is called cation and negatively charged ion is called anion. Because of the opposite charge of cation and anion they will readily form ionic compounds. Ions consisting of only a single atom known as monoatomic ions and more than two atoms form polyatomic ions.
(b)
Interpretation:
The chemical formula for the compound sodium bicarbonate has to be written.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The chemical formula for the compound lithium hypochlorite has to be written.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The chemical formula for the compound magnesium chlorate has to be written.
Concept Introduction:
Refer to part (a).
(e)
Interpretation:
The chemical formula for the compound calcium sulfite has to be written.
Concept Introduction:
Refer to part (a).
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OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:
- What is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of mercury, if the fish contains 30 parts per million of mercury by weight? (Assume that all the mercury from the fish ends up as mercury (II) chloride in the body and that a fatal dose is 0.20 g of HgCl2.) How many pounds of fish is this?arrow_forwardwrite a balanced chemical equation for each (A) Iron (III) chloride reacts with sodium hydroxide to produce iron (III) hydroxide and sodium chloride. (B) Magnesium nitrite reacts with perchloric acid to produce magnesium perchlorate and nitrous acid. (C) Copper(II) hydroxide reacts with hydrosulfuric acid to produce copper (II) sulfide and water.arrow_forwardWrite the balanced chemical equation for the following and identify the type of reaction in each case.(a) Potassium bromide (s) + Barium iodide (aq) Potassium iodide (aq) + Barium bromide(s)(b) Zinc carbonate (s) Zinc oxide (s) + Carbon dioxide (g)(c) Hydrogen (g) + Chlorine (g) Hydrogen chloride (g)(d) Magnesium (s) + Hydrochloric acid (aq) Magnesium chloride (aq) + Hydrogen (g)arrow_forward
- With the advent of techniques such as scanning tunneling microscopy, it is now possible to “write” with individual atoms by manipulating and arranging atoms on an atomic surface.(A) If the image is prepared on a platinum surface that is exactly 20 platinum atoms high and 14 platinum atoms wide, what is the mass (grams) of the atomic surface? Show all work. [2](B) If the atomic surface were changed to ruthenium atoms and the same surface mass as determined in part (B) is used, what number of ruthenium atoms is needed to construct the surface? Show all work. [2]arrow_forwardWrite the balanced chemical equation for the reaction of these pairs of reactants: (a) Calcium and bromine (b) Aluminum and oxygenarrow_forwardWrite the balanced chemical equations for the following reactions.(a) Calcium hydroxide + Carbon dioxide Calcium carbonate + Water(b) Zinc + Silver nitrate Zinc nitrate + Silver(c) Aluminum + Copper chloride Aluminum chloride +Copper(d) Barium chloride + Potassium sulphate Barium sulphate + potassium chloridearrow_forward
- (6) (1) (i) Cr3+ (1) U Ag+ 4. Provide the formula for each of the following cations. (a) cuprous ion (b) cupric ion (c) ferrous ion (d) ferric ion (e) plumbous ion (f) plumbic ion (g) mercurous ion (h) mercuric ion (i) stannous ion (j) stannic ion Identifying Cations in Solution 85arrow_forwardColorful fireworks often involve the decomposition of barium nitrate and potassium chlorate and the reaction ofthe metals magnesium, aluminum, and iron with oxygen.(a) Write the formulas of barium nitrate and potassium chlorate.(b) The decomposition of solid potassium chlorate leads to the formation of solid potassium chloride and diatomic oxygen gas. Write an equation for the reaction.(c) The decomposition of solid barium nitrate leads to the formation of solid barium oxide, diatomic nitrogen gas, and diatomic oxygen gas. Write an equation for the reaction.(d) Write separate equations for the reactions of the solid metals magnesium, aluminum, and iron with diatomic oxygen gas to yield the corresponding metal oxides. (Assume the iron oxide contains Fe3+ ions.)arrow_forward. A sample of 1.000 g of a compound containing carbon and hydrogen reacts with oxygen at elevated temperature to yield 0.692 g H2O and 3.381 g CO2.(a) Calculate the masses of C and H in the sample.(b) Does the compound contain any other elements?(c) What are the mass percentages of C and H in thecompound?(d) What is the empirical formula of the compound?arrow_forward
- Which compound of calcium is used for swimming pool water and sewage treatment? (A) Calcium hydroxide, Ca(OH)2 (B) Calcium hypochlorite, Ca(OCl)2 (C) Calcium carbonate, CaCO3 (D) Calcium oxide, CaOarrow_forwardA gaseous binary compound has a vapor density that is 2.53 times that of nitrogen at 100°C and atmospheric pressure. When 8.21 g of the gas reacts with AlCl3 at 100°C, 1.62 g gaseous nitrogen is produced, removing all of the nitrogen originally present.(a) Estimate the molecular mass of the gaseous compound.(b) How many nitrogen atoms are there in a molecule ofthe compound?(c) What is the maximum possible value of the atomicmass of the second element?(d) Are other values possible for the atomic mass of thesecond element? Use a table of atomic masses to identify the element that best fits the data.(e) What is the molecular formula of the compound?arrow_forward(a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a metallic element.arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax