4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The sample weighs 42 grams. What is the substance's specific heat capacity?

Q: How many millimoles of NaCl are present in 25 mL of a 0.035M solution?

A:

Q: Use data to compute AG° for the following reaction. 2CIO2 (aq) + O2(g)→ 2CIO3¯(aq) AG°f (CIO2¯(aq))…

A: Given -> 2ClO2- (aq) + O2(g) ---> 2ClO3-(aq) ∆G°f(ClO2-(aq)) = 17 KJ/mole ∆G°f(ClO3-(aq)) = -3…

Q: 1) How would GC analysis resolts be difforent if they were Kept outon a shelf in lab instrad of…

A: Interpretation- We have to tell how would GC analysis results be different if they were kept out on…

Q: bands to its corresponding interpretation.   Choices: 1. Band A C=C conjugated 2. Band B N-H amide…

A: IR spectroscopy  helps us to find the functional groups of the compounds.

Q: What is the molarity of a 15mL-acetic acid solution if it takes 33.4mL of 0.0088N sodium hydroxide…

A: Given-> Volume of acetic acid = 15 ml Volume of NaOH = 33.4 ml Normality of NaOH = 0.0088 N =…

Q: molality of a sc

A:

Q: Compute the standard entropy change for the following reaction: CO(g) + 2H2(g) → CH3OH(I) J/K…

A:

Q: pupil weighs out 2.5g of Salicylic acid and reacts it with 4.5mL of ethanoic anhydride.  the pupil…

A:

Q: What is the chemical function of the H2O2 in synthesis of pentamminechlorocobalt (III) Chloride and…

A: Normally CO(II) salts are more stable than CO(III),Some CO(III) are stable with proper ligands. Co…

Q: Consider the following gas-phase reaction: NO2(9) + N20(g)=3 NO(g) Using data from Appendix C of…

A: Given  Reaction : NO2(g) + N2O(g) ⇌ 3NO (g)

Q: A factory has a solid copper sphere that ne s to be drawn into a wire. The mass of the copper s, re…

A: A numerical problem based on dimensional analysis that is to be accomplished.

Q: Which among the given statements is true and correct?   a = In the 1880s, French chemist…

A: When a substance is dissolved in a solution, the vapor pressure of the solution will be less than…

Q: 6. According to Charles's law, if the temperature of a gas is decreased by a factor of 4, then the…

A:

Q: Give the concentrations of all ions in each of the following solutions. 50 M Co(NO3)2     0 M…

A:

Q: Calculate the molality of a solution containing 5 g of the nonelectrolyte glucose (C6H12O6) in 0.400…

A: Molality is the ratio of moles of solute to mass of solvent in kiligram.

Q: Describe the preparation of 2.00 L of 0.2035 M HCl, starting with a 6.00 M solution of the reagent.

A: Given :  Final concentration of HCl (M2) = 0.2035 M  Final volume of HCl (V2) = 2.00 L  Initial…

Q: O A way to measure the Ksp of an ionic compound is to redre the metal cation and measure the cell…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: 1. A 1.000 g sample containing Na,C,O, (MM=134 mg/mmol) is titrated with 40.00 mL of 0.0200 M KMNO,…

A: It is an application of redox titration where a redox reaction occur between KMnO4 as titrant and…

Q: Problem 1 (Show your work for all parts of answer.) A student did an analysis for clomazone in soil…

A: Answer: Given data- Flow of nitrogen to exactly 10 ml and 50 ml of ethyl acetate.

Q: is the importance of identifying the molar mass of a

A: The importance of molar mass of particular unknown solute in solution is to determine the…

Q: A 50.00-mL aliquot of 0.1000 M NaOH is titrated with 0.1000 M HCl. Calculate the pH of the solution…

A:

Q: Why is the carbon bonded to halogen electrophilic? Indicate with arrows the direction of…

A: Carbon is less electronegative than halogen atom.  Halogen atom has greater tendency to attract…

Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

A: Here we have to determine the normality of HCl if in a titration 1ml of HCl is equivalent to 0.05 g…

Q: Identify the type of chemical reaction

A:

Q: Enantiomers 1. Construct a model with a tetrahedral carbon in the center and four different colored…

A: Here we have to explain the existence of plane of symmetry in the structure in which a terahedral…

Q: CoCl4-2 {blue} + 6 H2O Co(H2O)6+2 {red} + 4 Cl- + heat

A: Co(H2O)62+(aq) + 4 Cl-(aq) <=> CoCl42-(aq) + 6 H2O(g)      The Co(H2O)62+ complex is…

Q: basketball is inflated to a pressure of 1.75 atm in a garage at a temperature of 18.0°C. What will…

A:

Q: What are the isomers of a 5 carbon cyclic alkene with 2 double bonds?

A: isomer are pair of compound which has same molecular formula but different structural formula Here…

Q: Write the IUPAC names for these alcohols. a. но но ČH3 b. OH ČH3 C. H3C. HO Br d. H. Br HO

A: Given compounds are : Write the IUPAC names of the given compounds = ?

Q: How will you prepare 3.5 mL of 45 mM hydrogen peroxide from a 600 mM stock

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: A H3C H. CH3- CH3 ČH3 C CH3 CH3 All exist as liquid carbonyl compounds. Are synthesized through…

A: Given:

Q: Which symbols would correctly complete this nuclear equation? C→'4N + ? Check all that apply. View…

A: Choose the correct symbol ---

Q: Sort the following according to whether they are monosaccharides, disaccharides, or polysaccharides.…

A: Here, we have to classify the given carbohydrates as monosaccharides, disaccharides, and…

Q: Write the IUPAC names for these alcohols. a. но но

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: b Po undergoes four decay reactions: B, a, B, a. Step 1. 218 Po undergoes B decay to give 218 At 85…

A: At-218 undergo alpha decay then product will be ?

Q: Are there any examples in which an ionic solid contains covalent bonds?

A: For example, In potassium cyanide (KCN), the carbon (C) and nitrogen (N) are both nonmetals, so they…

Q: What kind of complex anion do you expect in: a) LiAl(SiO3)2 b) Na2Fe5Si8O22(OH)2 c) Ni3(Si2O5)(OH)4

A: The solution of the given question is-

Q: Provide the systematic name for the following benzene analogs and other aromatic compounds .

A:

Q: (b) A 2.000 g of an organic compound X was dissolved in 50.00 mL of dichloromethane. This organic…

A:

Q: 1.5 moles of Nesfruta Dalandan are added to a container having 2 liters of water on a nice day at 25…

A: Given that -  Moles of Nesfruta Dalandan = 1.5 mol  Volume of water = 2 L =2000 mL Temperature =…

Q: If Z = 1.00054 at 0 °C and 1 atm and the Boyle temperature of the gas is 107 K, estimate the values…

A:

Q: 3. How many molecules of ethylene diamine will react with Ni(H,O),*? Explain your answer.

A: Answer: Ethylene diamine is a bidentate ligand and water is a monodentate ligand.

Q: Complete (IF NECESSARY) and balance the following equations, then use oxidation numbers to explain…

A:

Q: Po undergoes four decay reactions: B, a, B, a. Step 1. 218 218 Po undergoes B decay to give 35° At…

A: Beta decay - When a radioactive nucleus disintegrates by emitting a β-particle, the atomic number…

Q: Give the IUPAC name of the following Benzene derivative

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Chemistry Rank the following in order of decreasing rate of effusion. F2              SF6…

A: Given: F2              SF6             H2              CO

Q: Liquid mercury boils at 357°c (630 K) at 1 atm (101,325 N/m). Calculate its approximate vapour…

A:

Q: Starting with benzene synthesize the following compound. O2N. -COOH

A: Detail synthetic scheme is shown below

Q: Heptacarbon octahydride is an effective gasoline additive. In the presence of oxygen gas (and a…

A: Heptacarbon octahydride reacts with oxygen to form carbon dioxide and water. The equation for the…

Q: Calculate the pH of a solution prepared by dissolving 0.0775 mol acetic acid (HCOOH) and 0.0460 mol…

A: Given-> Moles of HCOOH = 0.0775 mole Moles of HCOONa = 0.0460 mole Volume = 1 L Ka = 1.77 × 10-4…