4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B. When a lake freezes, how does the density of water prevent all of the living organisms in the lake from freezing as well?

4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B. When a lake freezes, how does the density of water prevent all of the living organisms in the lake from freezing as well?

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter12: The Liquids And Solids Around Us: Especially Water

Section: Chapter Questions

Problem 49E

See similar textbooks

Related questions

Q: What mechanism predicts the same rate law as the data? (Can be multiple or neither)

A: The slowest step of the reaction is the rate determining step of the reaction. Rate law of the react...

Q: True or False. Write the word “reducing” if the statement is correct, otherwise write “non-reducing”...

A: The answer is as follows:

Q: What is the concentration of each ion in a 0.20 Molarity sodium phosphate solution?

A: Given :- concentration of sodium phosphate solution = 0.20 M To calculate :- concentration of each ...

Q: An aqueous solution of ammonium sulfide is allowed to react with an aqueous solution of barium chlor...

A: Reaction is occurred when An aqueous solution of ammonium sulfide is allowed to react with an aqueou...

Q: Current Attempt in Progress A 2.05 g sample of an unknown compound contains H, S, and O. If the comp...

Q: H. CN-N H + 2 F2 → 4 HF + N2 H.

Q: Which of the following best describes a gas? * It assumes the volume and shape of the container, and...

A: Best defining feature of gas is...

Q: Give the number of peaks expected in the 'H NMR for the indicated protons in each of the following s...

Q: Every double bond has _____ sigma and _____ pi bonds, whereas every triple bond has _____ sigma and ...

A: There are basically two types of covalent bonds found in most of the organic molecules i.e. sigma an...

Q: 2. Draw and label a reaction energy diagram for the following reaction: NO + CO Things to label in d...

A: The progress of a reaction can be represented by the reaction energy diagram. In a reaction energy d...

Q: Please help me question C

A: A question based on NMR spectroscopy that is to be accomplished.

Q: amount

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Give the following information for the encircled element in the molecules as shown below CH3 O2N ON ...

A: Chemical bonding: As per our guideline we have to answer first three questions only:

Q: Consider the following equilibrium: H2 (e) + 12 (s) 2HI (g) Which of the following is the proper exp...

A: We have to predict the equilibrium constant expression.

Q: A clinical lab technician determines that a minimum of 70 mL of working reagent is needed for a proc...

A: Amount of Reagent needed = 70 mL Dilution ratio = 1/8 or 1:8 Volume of reagent taken = 70 mL Volume ...

Q: atom ratio between C and H in C2H5OH? O 1/5 O 2/1 O 2/6 O 2/5

A: Given molecule ethanol (C2H5OH)

Q: A 2.05 g sample of an unknown compound contains H, S, and O. If the compound contains 0.050 gH and 0...

A: 3rd option is correct that is 58.5%

Q: HO HBr 1. Н B 2. H3O* H. Mg C A Et,0

Q: Correctiy label structures A B, C, and D from the reaction sequence below. Br2 CH;CH;ONa MCPBA NaOH/...

A: An organic reaction is the process in which two or more reactant reacts with each other and form a s...

Q: temperature wil

Q: Which of the following species is not isoelectronic with sulfide? A. Ar B. Sc3+ C. Kr D. P3–

Q: How many grams is needed to prepare a 0.045 molal NaOH and 185.00 mL of water? (Molar mass = 40.00 g...

Q: balanced using the smallest possible integers Li (s) + O2(g) = Li2O(s)

Q: Write the word “reducing” if the statement is correct, otherwise write “non-reducing”. 10. Galactos...

A: Reducing

Q: Question 5 Consider the following reaction: UO22*(aq) + Pb(s) + 4H*(aq) – U4+(ag) + Pb2*(aq) + 2H2Om...

A: Answer: Pb(s) is reducing agent.

Q: 1pentanol + NaBr/H2SO4 -> 1-bromopentane Limiting reagent: 1-Pentanol Percent Yield: 64.5% The ty...

Q: How could you use 'H NMR to distinguish between the following pair of compounds? Explain your answer...

Q: 443 471 502 360 Wavelength (nm) Lycopene Amax is 502 nm True False Absorbance

A: UV visible specctroscopy is used for quantitative determination of different samples.It is also deno...

Q: Determine the type (I = ionic, M = molecular/covalent, binary acid = BA, oxyacid = OA) and name or g...

A: Covalent compound can be defined as the compound which is formed from the covalent bond, Covalent bo...

Q: In the first step of this process sodium bromide is dissolved in water. It is mentioned that not all...

A: Given data: The solubility of NaBr = 0.9432 g/mL Mass of NaBr = 78 g Volume = 75 mL

Q: Calculate the mass of 1.92 x 1018 atoms of Mg. O 1.08 x 10 10g O 2.73 x 10 10 g O 7.75 x 105g O 1.62...

Q: A reaction is first order with respect to reactant "A" and has a half life of 16 minutes. How long d...

Q: A chemist adds 1.90L of a 0.106 M potassium dichromate K2Cr2O7 solution to a reaction flask. Calc...

A: We have to predict the millimoles of chemical added.

Q: To determine the concentration of these analyte ions in a mixture, the mixture absorbance is analyze...

A: This is application of the Lambert beer law . Here we are required the molar concentration of X3+ an...

Q: Ammonia NH3 chemically reacts with oxygen gas O2 to produce nitric oxide NO and water H2O . ...

A: the balance equation of the given reaction is 4NH3+3O2=4NO+2H2 From this reaction we see that 4 mol...

Q: Calculate the pH of a solution formed by adding 2.00 grams of solid potassium cyanide, KCN, to 180.0...

A: Given, adding 2.00 grams of solid potassium cyanide, KCN, to 180.0 ml of 0.340 M hydrocyanic acid s...

Q: In the reaction between MnO₄- and Fe²⁺: 8H⁺(aq) + MnO₄-(aq) + 5 Fe²⁺(aq) → Mn²⁺(aq) + 5 Fe³⁺(aq) + 4...

A: A question based on stoichiometry that is to be accomplished.

Q: 3. Calculate the concentration of Cl- in the 10mL unknown NaCl solution. The Ksp for Silver Chlorid...

A: Answer is below

Q: A chemist makes 570.mL of zinc nitrate ZnNO32 working solution by adding distilled water to 260.m...

Q: 2. Consider the cell reaction: MnO4+ Fe2* → Mn²+ + Fe³* SRP: E° Fe*/Fe²* = +0.77 V; E° MnO,/Mn²* = +...

Q: AG°rxn %3D ||

Q: Which one of the following will change the value of an equilibrium constant? varying the initial con...

A: Equilibrium constant is a temperature dependent term and is independent of the actual quantities of ...

Q: What is the concentration after 3 minutes has passed? a.) 0.0702 b.) 0.0693 c.) 6.421E-4 d.) 0....

Q: XPERIMENTAL DATA he initial concentrations of SCN after dilution were calculated as part of the Prel...

A: Answer is attached below

Q: Determine the type (I = ionic, M = molecular/covalent, binary acid = BA, oxyacid = OA) and name or g...

A: We have to Determine the type andname or give formulas for the following molecules.,

Q: the following reaction go through an SNl or Sn2 mechanism, both, or not proceed as written? Explain ...

Q: 2. Provide an explanation (using resonance structures) for why the barrier for rotation about the ma...

Q: Balance the following chemical reaction and determine the coefficients of H2O and AIK(OH)4, respecti...

A: Balance chemical equation: Balanced chemical equation can be defined as a reaction in which number o...

Q: Which one(s) is/are NOT the correct way to write the electron configuration for mercury (Hg)? FYI th...

Q: Consider the following reaction: 2CuCl2 (s) --> 2CuCl (s) + Cl2 (g) 13.44 g of CuCl2 (mol. wt. 134.4...

Question

4. Water is less dense as a solid than as a liquid.
A. Why can solid ice float on liquid water?
B. When a lake freezes, how does the density of water prevent all of the living
organisms in the lake from freezing as well?
OEL r TE OT 1

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The sugar fructose contains 40.0% C, 6.7% H, and 53.3% O by mass. A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.35 C, and Kb for ethanol is 1.20 C/m . What is the molecular formula of fructose?
What is the microscopic explanation for the macroscopic behaviour illustrated in Figure 11.15?
The solubility of lead nitrate at 100C is 140.0 g/100 g water. A solution at 100C consists of 57.0 g of lead nitrate in 64.0 g of water. When the solution is cooled 10C to 25.0 g of lead nitrate crystallize out. What is the solubility of lead nitrate in g/100 g water at 10C?
Starch contains CC, CH, CO, and OH bonds. Hydrocarbons have only CC and CH bonds. Both starch and hydrocarbons can form colloidal dispersions in water. Which dispersion is classified as hydrophobic? Which is hydrophilic? Explain briefly.
Dissolving 3.0 g of CaCl2(s) in 150.0 g of water in a calorimeter (Figure 5.12) at 22.4 °C causes the temperature to rise to 25.8 °C. What is the approximate amount of heat involved in the dissolution, assuming the specific heat of the resulting solution is 4.18 J/g °C? Is the reaction exothermic or endothermic?
When a doughnut is placed on a napkin, the napkin will often absorb a liquid and appear moist. What is most likely the nature of the liquid?
A sample of sulfur weighing 0.210 g was dissolved in 17.8 g of carbon disulfide, CS2 ( Kb=2.43 C/m). If the boiling point elevation was 0.107 C, what is the formula of a sulfur molecule in carbon disulfide?
Meat can be classified as fresh (not frozen) even though it is stored at -1 C. Why wouldn't meat freeze at this temperature?
The solubility of nitrogen in water is 8.21 104 mol/L at 0C when the N2 pressure above water is 0.790 atm. Calculate the Henrys law constant for N2 in units of mol/L atm for Henrys law in the form C = kP, where C is the gas concentration in mol/L. Calculate the solubility of N2 in water when the partial pressure of nitrogen above water is 1.10 atm at 0C.
Explain the following on the basis of the behavior of atoms and/or ions. a. Cooking with water is faster in a pressure cooker than in an open pan. b. Salt is used on icy roads. c. Melted sea ice from the Arctic Ocean produces fresh water. d. CO2(s) (dry ice) does not have a normal boiling point under normal atmospheric conditions, even though CO2 is a liquid in fire extinguishers. e. Adding a solute to a solvent extends the liquid phase over a larger temperature range.