Solve the following: a. A lab technician needs to prepare 500 mL of 0.18 M sodium hydroxide solution. How many grams of NaOH are needed? b. Concentrated aqueous hydrochloric acid is 12 M in HCl. If 1000 mL of 1.0 M HCl are needed for an experiment, how many mL of concentrated HCl must be used to prepare the diluted solution? c. Identify each ion and its concentration in the following solutions:      [a. 0.25 M CaBr2   ;  b. 0.15 M Na2SO4    ;   c. 0.10 M Na3PO4

Q: DF OFFIC ANSCR CH3 Classify the amino acid with the R group -CH2-CH-CH3 according to its polarity. O…

A: These amino acids are nonpolar

Q: OF In the following reaction of the glycolysis pathway, which reactant is oxidized, and which…

A: During a chemical reaction when a substrate attaches oxygen in it, generally it is oxidised.  And…

Q: Н 0 OH НО CH2OH CH2OH OH Н Н Above is a Haworth projection of a monosaccharide. For each of the…

A:

Q: What is the mass of 3.367 moles of Ca(OH)₂? 249.5 g 4.544 x 10-2 g 22.007 g 499.0 g 74.10 g

A:

Q: | 10 Give the organic product: PCC(2:1 excess) CH₂Cl₂ which aleb. & alt C.

A: Product of following reaction are as follow.

Q: Use the standard reduction potentials in Appendix L Links to an external site.to find the standard…

A: Redox reaction involves the transfer of electron from one species to another species. Here we are…

Q: (c) Draw the most likely conformations of the following compounds H and J and explain your…

A: Stable conformation has most of the substitutents ate equatorial position to avoid 1,3-diaxial…

Q: Which of the following violates the octet rule? a) BH4 b) N₂H4 c) BF3 d) NO3 e) PH₂

A: Answer-BF3 The chemical listed that deviates from the octet rule is:   a) BF3   Since boron (B) only…

Q: 2 HyPOalaq) + 3 Mg(OH)2(ag) = Mga (P04/21s) + 6 H201 If 35.0 mL of 1.67 M HsP04 are reacted with…

A: This question is based on stoichiometry.

Q: Question 21 40Listen The correct name for FeO is iron oxide iron(II) oxide iron(III) oxide. iron(IV)…

A: Name of transition oxide written as  name of cation (oxidation number in Roman) name of anion

Q: Instructions: Redox Reaction: Fe2+ (aq) + MnO4- (aq)  -> Fe3+ (aq) + Mn2+ (aq) Balance the given…

A:

Q: SHOW WORK. Convert the following energy measurement to the unit shown

A: Conversion factor is used to convert 1 set of unit to another set of unit . Steps to convert calorie…

Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

A: Atomic radius: The distance between the nucleus and the outermost electron is known as the atomic…

Q: Le Chateliers and temperature: How would increasing the temperature affect the following equilibria?…

A: The given equilibrium reactions are  (a) 2 H2O (g) ⇌2 H2 (g)+ O2 (g)…

Q: HO 15 (continued). Fill in the boxes. Write NR for no reaction. DMP 1) TSCI, pyridine 2) Nal -a CH3…

A: OH in the presence of pyridine reacts with tosylchloride to get tosylated product which reacts with…

Q: At a certain temperature, Kc = 4.0 in the following reaction: 2HF(g) ⇌ H2(g) + F2(g) A 1.0 L…

A:

Q: Calculate ∆S, ∆Ssurr , and ∆Stot when 21 g of Ar (g) at 298 K and 1.5 bar increases in volume from…

A:

Q: How do you separate a mixture of naphthalene, biphenyl-4-carboxylic acid, and 4-chloroaniline? Thank…

A: Carboxylic acid react with bicarbonate to produce water soluble sodium salt NH2 group reacts with…

Q: Your roommate is cleaning the bathroom (at last!) using "Lysol Complete Clean Power Toilet Bowl…

A: Chemical composition of bleach is sodium hypochlorite

Q: Which of the following statements is false? 1) Metabolic pathways are a series of chemical reactions…

A: 1) Metabolic pathways are a series of reaction found in biochemical reactions . It can be linear…

Q: What is the highest occupied molecular orbital in N2 molecule? Calculate the bond order of the…

A: The molecular orbital with the greatest energy level in a molecule is known as the highest occupied…

Q: Which of the following processes is a physical change? Burning gasoline O Cooking an egg Decomposing…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: Upon removal, which H atom will make the most stable radical. Circle one H₂ He He Ha Hd, Ha H₂ „Ha

A:

Q: The following chemical reaction takes place in aqueous solution: FeCl3(aq) + 3 KOH(aq) →Fe(OH)3(s)+3…

A:

Q: An acidic solute, HA, has a K, of 1.00 x 10 and a KD between water and hexane of 3.00. A 50.00 mL,…

A:

Q: 1) Which is a triatomic molecule? a) NO2 b) Cl2 c) CuCl 2 d) HBr e) AsH 3 f) NaNO3 g) CaO

A: Molecule which have three same or different atoms are called triatomic molecules. a) NO2 is…

Q: Complete or write the following nuclear equations 10n + 23392U ⟶           + 42He + 310n Decay of…

A: Given reactions are examples of radioactive decays. In radioactive Decays, unstable/less stable…

Q: CH3 d) H.C---OH CH3 D) OH OH Н + + + TsCl KMnO4 OH NaBH₁ _pyridine H 0

A:

Q: Show the aldol reaction partners that will react to form the following a,ß-unsaturated ketone. os •…

A:

Q: True or false? Arrhenius postulated that acids produce hydrogen ions in aqueous solution, whereas…

A:

Q: What volume of a 0.135 M calcium hydroxide solution is required to neutralize 19.1 mL of a 0.388 M…

A: Calcium hydroxide and perchloric acid undergo acid-base neutralization reaction. The balanced…

Q: Report on how to decrease the droplet evaporation time for liquid fuel combustion.

A: There are several ways to decrease the droplet evaporation time for liquid fuel combustion:   1.…

Q: Which of the following compounds has the highest boiling point O co NH₂ O CO₂ OCH4 At least two of…

A: The Boling point of a compound depends on the intermolecular forces present in between the…

Q: Choose the state of water in which the water molecules are farthest apart on average. steam (vapor)…

A: Different states of matter can be interconverted by changing the temperature and pressure of the…

Q: 2. Predict which member of each pair will be more soluble in water. Explain the reasons for your…

A: A question based on properties of liquid. Two sets of organic compounds are prescribed for which…

Q: A pharmacist wants to use three lots of zinc oxide ointment containing, respectfully, 40%, 30%, and…

A:

Q: Why is the humidity of the carrier gas important?

A: Answer: Carrier gas are generally an inert gas used to carry samples. The mostly used carrier gases…

Q: Gaseous butane (CH₂(CH₂), CH₂) water is produced from the reaction of 24.4 g of butane and 51.5 g of…

A:

Q: What is the molar solubility of AgCl in a solution that is 0.50 M AgNO3? The Ksp of AgCl is 1.8…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

A: Ionization energy (EI): When an electron is removed from the outermost shell of an isolated gaseous…

Q: 2+ 4+ + Pt(s) | Sn²+ (2.25 M), Snª* (1.25 M) || VO₂* (2.25 M), VO²+ (1.25 M), H* (1.00 M) | Pt(s)

A:

Q: You add 8.34 grams of sodium bicarbonate in a test tube weighing 31.43 grams. After heating with a…

A:

Q: draw a diagram for the valence bond theory that shows the hybrid atomic orbitals and/or the atomic…

A: Ketene structure.

Q: Find molecular formula of a compound with the elemental composition and molecular mass of 447.13…

A: We're given molecular mass compound = 447.13 g/mol  Percent composition of  C : 24.18%  H : 2.71%  N…

Q: Review & Preview Analyze the Lewis structure for oleic acid, the molecule that makes up vegetable…

A: This question is based on solubility and nature of a substance.

Q: 11. The reaction shown below will give a product that is soluble in excess 5% alkali. 01510 CI + H…

A: The reaction of benzenesulphonyl chloride with amine(1degree,2degree and 3 degree) Used to test the…

Q: The table below summarizes some of the physical properties of three different materials. Melting…

A: Answer: Three physical states of the substances are possible and those are solid, liquid and gas.…

Q: An electron moves with a speed of 4.11 x 10^6 m/s. What is the de Broglie wavelength? Express your…

A: It is given that an electron moves with a speed of 4.11 x 106 m/s. We need to find it's de Broglie…

Q: Which alkyl halide has the highest reactivity to nucleophilic substitution reaction? CH3F CH3CI CH31…

A:

Q: The equilibrium constant, Kc, for the reaction: 2 NOCI (g) 2 NO (g) + Cl2 (g) is 2.4 x 107. If…

A: