Concept explainers
Interpretation:
The difference between
Concept Introduction:
The steps involved to name a molecular compound are as follows:
First, identify that the given compound involves the combination of two non-metals or a non-metal and a metalloid.
Identify the
Start the name with the name of the first element in the compound.
If more than one atom is present, use prefixes as di, tri, and tetra.
Then, state the root name of the second element with a proper suffix.
The naming representation for an acid starts with ‘hydro’ as the prefix followed by the name of the metal or non-metal with the use of ‘ic’ as a suffix.
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Introduction to Chemistry
- Which of these statements are qualitative? Which are quantitative? Explain your choice in each case. (a) Sodium is a silvery-white metal. (b) Aluminum melts at 660 C. (c) Carbon makes up about 23% of the human body by mass. (d) Pure carbon occurs in different forms: graphite, diamond, and fullerenes.arrow_forwardNeutralization reactions involve the hydrogen ions (H+) from an acid, reacting with a base that often contains hydroxide ions (OH). Use this information to predict the name and formula for the chemical substance that is always produced in this type of reaction.arrow_forwardDefinition of decomposition is-A type of chemical reaction where a single chemical substances is broken into its elemental partsarrow_forward
- Matter is neither created nor destroyed in a chemical reaction. Thus, the mass of the products of a chemical reaction must be equal to the mass of the starting materials. Formally, this concept is called the law of conservation of mass. A sample of sodium reacts completely with 0.426 kg k g of chlorine, forming 702 g g of sodium chloride. What mass of sodium reacted?arrow_forwardOver coffee and croissants at breakfast one day, your friend Jane (an expert chemist) says this: "Metal sulfides react with strong acids to produce hydrogen sulfide and a salt." Using Jane's statement, and what you already know about chemistry, predict the products of the following reaction. Be sure your chemical equation is balanced! Nis (s) + HCl(aq) → 0 ローロ 0+0 X C READarrow_forward9. When a candle has been burning for an hour, its mass is less than it was at the beginning. (a) How is it possible for the candle to lose mass without violating the law of conservation of mass? (b) How might you find the mass of the missing material? 14. Hydrochloric acid reacts with zinc. The chemical equation for this reaction is Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq) a) Classify this reaction. (b) Name the product that forms bubbles in this reaction. How do you know? c) How does the mass of zinc metal change as the reaction proceeds? d) What does the (aq) symbol in the equation mean? 24. Consider this chemical equation: Zn + 2 AgNO3 → Zn(NO3)2 + 2 Ag a) How many atoms of zinc are on the left side of the equation? How many are on the right? (b) How many atoms of silver are on the left side of the equation? How many are on the right? (c) Is the equation balanced? Explain. 25.How are coefficients different from subscripts in equations? 30. Consider this neutralization reaction: HCl +…arrow_forward
- Crime scene investigators keep a wide variety of compounds on hand to help with identifying unknown substances they find in the course of their duties. One such investigator, while reorganizing their shelves, has mixed up several small vials and is unsure about the identity of a certain powder. Elemental analysis of the compound reveals that it is 67.31 % carbon, 6.978% hydrogen, 4.617% nitrogen, and 21.10% oxygen by mass. Which of the compounds could the powder be? C17H19NO3C17H19NO3 = morphine, analgesic C17H21NO4C17H21NO4 = cocaine, illicit drug C7H5N3O6C7H5N3O6 = 2,4,6-trinitrotoluene (TNT), commonly used explosive C10H15NC10H15N = methamphetamine, stimulant C4H5N2OC4H5N2O = caffeine, stimulant C11H15NO2C11H15NO2 = 3,4-methylenedioxymethamphetamine (MDMA), illicit drug C21H23NO5C21H23NO5 = heroin, illicit drug C3H6NO3C3H6NO3 = hexamethylene triperoxide diamine (HMTD), commonly used explosivearrow_forwardOne way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is by titrating a sample of silver nitrate solution. Any chloride anions in solution will combine with the silver cations to produce bright white silver chloride precipitate. Suppose an EPA chemist tests a 200. mL sample of groundwater known to be contaminated with iron(III) chloride, which would react with silver nitrate solution like this: FeCl3(aq) + 3 AgNO3(aq) 3 AgCl(s) + Fe(NO3),(a9) The chemist adds 56.0 mM silver nitrate solution to the sample until silver chloride stops forming. She then washes, dries, and weighs the precipitate. She finds she has collected 2.8 mg of silver chloride. Calculate the concentration of iron(III) chloride contaminant in the original groundwater sample. Be sure your answer has the correct number of significant digits. mg L Submit Assignment Continue Accessibility Privacy O 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use 888 %23 5 6 2 3 E R. G…arrow_forwardPredicting the reactants of a neutralization reaction Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.) Note: you are writing the molecular, and not the net ionic equation. [] + KCIO(aq) + H,O(1) X ロー Śarrow_forward
- The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the same size bar of each metal, with the dimensions 2.00 in x 10.0 cm x 760 mm. Volume of a cube is height x length x width. Which bar would have the greatest mass? Which bar contains the greater number of atoms? If the two bars were melted and mixed together to form an alloy (or mixture) what would be the total mass?arrow_forward2. Pyrite (FeS2) can be leached by oxygen in sulfuric acid solution to form ferric sulfate. Write the balanced chemical reaction in ionic and neutral forms and include the phases of the reactants and products.arrow_forwardYou are working in the laboratory and are testing the salinity of ocean water in various areas along the gulf coast. What is the mass % of sodium chloride in a 250.0 mL sample that contains 6.80 g sodium chloride? Assume the density of the ocean water is 1.03g/mL.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage Learning