Q: Exercise 3: 100 cm' of a solution contains 24.5 g of H2SO4. Calculate the molarity of the H2SO, solu...
A: Given : mass of H2SO4 = 24.5 g volume of solution = 100 cm3 To calculate : molarity of solution
Q: 4. For the compound below, indicate the expected splitting pattern for all non-equivalent protons. B...
A: Splitting pattern is find out by n+1 rule. Where n is number of neighboring protons.
Q: 14. Which of the following is TRUE for the titration of a strong acid with a weak base? C. the equiv...
A: Titration of strong acid with weak base:
Q: Given molar mass find the mass in grams in each of the following substance 7211 x1024 atoms of coppe...
A: Given is, Atoms of Copper= 7211 x1024 molar mass of Cu = 63.55 g/mol
Q: The formula for DI water is __________. The cation is __________, and the anion is __________. A.)...
A:
Q: Gaseous methane (CH,) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO,) an...
A: Given :- Amount of methane = 4.7 g Amount of oxygen gas = 6.1 g Actual yield of carbon dioxide g...
Q: The value of Kc for the the following reaction is 0.510 at 429 K. N2O4(g)-------->2NO2(g) If a re...
A:
Q: Balance this chemical reaction ____ NaHCO3 + _____ CaH4P2O8 → ____Na2HPO4 ...
A: We need to balance any chemical reaction so that they obey the law of conservation of mass. To bala...
Q: calculate molar concentration of nitrous acid, concentration of nitrite in which is equal to 1.02*10...
A:
Q: balance this chemical reaction ______________ C6H12O6 + _________ O2 → ___...
A: We have to balance this chemical reaction ______________ C6H12O6 + _________ O2 → ...
Q: The temperature is 21 degrees Celsius, barometric pressure is 751mm Hg, calculate the temperature in...
A: Given: The temperature in °C = 21 °C
Q: Which set of three quantum numbers (n,l,ml) corresponds to a 4s orbital? Options are…. A. 4,1,1 B. 4...
A: Given is 4s orbital
Q: balance this chemical reaction _______Na + _________H2O →_________ NaOH + _________H2
A: Balance the given reaction --
Q: 6. Which of the following is a binary compound? а. СаСОз b. CuSO4 c. H20 d. Pb(NO3)2
A: Given compounds are CaCO3 CuSO4 H2O Pb(NO3)2 We need to identify which of the given compounds is ...
Q: If 25.35 grams of radioactive waste reduces to 9.75 grams of radioactive waste after 1350 years, the...
A: Given, time = 1350 years Half life , t1/2 = ?
Q: The zinc content of a 1.691.6 ore sample was determined by dissolving the ore in HCl, which reacts w...
A: The mass percent is a means of showing a degree. Furthermore, it represents the component throughout...
Q: The zinc content of a 1.42 g ore sample was determined by dissolving the ore in HCI, which reacts wi...
A: Given, mass of ore sample = 1.42 g. The ore was dissolved in 150 mL of 0.600 M HCl, and the resul...
Q: SO2 (g) + NO2 (g) = SO3 (g) + NO (g) Calculate the value of Kp at the same temperature. Calculate th...
A: We use chemical equilibrium law of mass action Concept to solve below all questions . According to ...
Q: H, + [H]
A:
Q: Using the mass of sodium bicarbonate used for runs 1 and 2, calculate the theoretical yield of solid...
A:
Q: 6. Suppose you have an organic sample X that is somewhat soluble in water, but is more soluble in di...
A: The extraction of X sample with organic solvent is 60%.
Q: CH30 OCH3 о осHз CH;0 CI B A
A:
Q: Which one of the following is an exothermic process?
A: 1. The reactions which release energy are called as exothermic reactions.
Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In...
A: PPM and the PPB are units applied in atmospheric chemistry to represent the concentration of the gas...
Q: A 13.0-mL sample of saturated I2 (aq) is shaken with 13.0 mL of CC4. After equilibrium is establishe...
A: Given: Initial concentration of I2 = 1.3 x 10-3 M Volume of I2 sample = 13 mL K = 85.5
Q: 3. JJ is making miso soup. 1 bowl of soup has a volume of 375 mL. The soup has 1.00 g of table salt ...
A: Given that : The volume of 1 bowl of soup = 375 mL The mass of table salt (NaCl) in the soup = 1.00 ...
Q: Which functional group is a carboxylic acid? A) -C- OH OH B) -C- OH C) - OH D) - C -O - E) - CH2 - O...
A: Given: Carboxylic acid
Q: Use the table on the information page to predict if a reaction will occur when aluminum metal and ni...
A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...
Q: Since the penny was minted in 1969, only 95.00% by mass of the penny is copper. If the had a mass of...
A: Mass of penny = 3.110g 95% of it is copper The molar mass of copper = 63.546g/mol
Q: Given the two reactions 1. H2S(aq) = HS (aq) + H+(aq), K1 = 9.15×10-8, and 2. HS (aq) = S²-(aq) + H+...
A:
Q: C- The reflux process increases the yield of the oxidation of menthol. D- A water bath can b...
A: In reflux process the solution is subjected to heating at constant temperature.,
Q: For the molecule with formula C7H14O please draw the constitutional isomers with the properties as i...
A: Organic chemistry.
Q: b. Show how the following compounds may be synthesized in the laboratory starting with benzene. For ...
A:
Q: Identify the fatty acids present in the following structure (e.g., stearic, oleic, palmitoleic). Do ...
A: Stearic fatty acid Arachidonic fatty acid Oleic fatty acid
Q: What is the correct ranking in order of increasing atomic size for Rb, Mg and P
A: Generally, the trend of atomic size is as follows: 1) Atomic size increases down the group because m...
Q: Write the Lewis structure and symbol of the chemical equation: Ba + H2 → BaH2
A:
Q: During hydrostatic weighing, technicians must measure, or estimate, which lung parameter? resi...
A: Hydrostatic weighing is used to measure body fat.
Q: solve the following quadratic equation: 6x^2 + 11x- 35=0
A: The quadratic equation has two values of x. The solution of quadratic equation is shown below-
Q: Use the following Lewis diagram for methyl acetate to answer the questions: :0: Remember that geomet...
A:
Q: v Show Time Remaining ▼ A 0.45 M KBr solution OA contains 0.45 milliliters of KBr in 1 liter of the ...
A: Molarity is defined as the number of moles of solute in 1 Liter of the solution. Molarity of soluti...
Q: From the list below select a compound that is the strongest electrolyte (produces the highest concen...
A: Strong electrolyte gives a maximum number of ions in an aqueous solution.
Q: If 25.00 mL of a 0.09864 M CH3COOH (Ka = 1.8 x 10-5) solution is titrated with a 0.1027 M NaOH solut...
A: Since you have asked a question with multiple subparts , we will answer only first 3 subparts for yo...
Q: From the Lewis structures of the species given, pick all of those in which the central atom obeys th...
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: How many grams of water can be heated from 28.3°C to 41.8°C by the heat released from 83.5 g of lead...
A: We can say that the heat released by lead during the cooling process is used to heat the water. So, ...
Q: balance this chemical reaction _________Na + _________Cl2 →______________ NaCl
A: 2Na + Cl2 -------> 2NaCl No. Of Na in LHS of the equation = 2 No. Of Cl in LHS of the equation ...
Q: balance this chemical reaction __________NI3 → _________N2 +____________ I2
A: 2NI3 -------> N2 + 3I2 No. Of N atoms on LHS of the equation = 2 No. Of I atoms on LHS of...
Q: isoelectronic with P3–.
A: Cl- is isoelectronic with P3- .is the correct option.
Q: Rank the following compound in terms of increasing predicted boiling points. Explain your answer. C...
A: Intermolecular forces refer to the type of interactions which are present within the atoms or molecu...
Q: 0.145 M solution of HX is 7.9% ionized. Calculate Ka of this acid. Please report your answer to two...
A:
Q: Sodium phosphide A.) Na3P (aq), weak electrolyte B.) NaP (s), weak electrolyte C.) Na3P (aq), ...
A:
| a |
1:8
|
|
| b |
1:80
|
|
| c |
1:800
|
|
| d |
1:8000
|
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- Calculate the density of 50.0 g of an isopropyl alcohol–water mixture (commercial rubbing alcohol) that has avolume of 63.6 mL.If you purchase 1 bottle of 120 tablets of 650. mg sodium bicarbonate in the pharmacy aisle (the cheapest I found was $4.99), you are paying a significant amount of money for the bottling, capsuling and mark-up. You can purchase for $28.99 at www.amazon.com 30.0 pounds of sodium bicarbonate. How many bottles of tablets can you make out of the 30.0 lbs of NaHCO3 if you already have the capsules, labeling and bottles? If you are able to sell each bottle for $4.99 , once subtracting the $28.99 for the cost of the sodium bicarb, what is the gross profit before other bills?What is the mass concentration of a liter of milk? A liter of milk weighs 1060 g and includes 1.6 percent fat.
- 1. If one fluidounce of a cough syrup contains 10 gr of sodium citrate, how many milligrams are contained in 5 mL? 2. A pharmacist received a prescription calling for 30 capsules, each to contain 1/200 gr of nitroglycerin. How many 0.4 mg of nitroglycerin tablets would supply the amount required? 3. If a child accidentally swallowed 2 fluidounces of Feosol elixir containing 2/3 gr of ferrous sulphate per 5 mL, how many milligrams of ferrous sulphate did the child ingest? PLEASE SHOW YOUR COMPLETE SOLUTION & THE CANCELLATION OF THE UNITS OF MEASUREMENT. Thank youCalculate the mass in grams of 10.0 mL of an anesthetic that has a density of 0.713 g/mLIf the specific gravity of methyl salicylate is 1.18, how many grams of methylsalicylate would be needed to prepare two dozen 30-g tubes of ointment? Methylsalicylate 15 mL
- How many cm3 of HF(g) are needed to produce 26.0g of Na3AIF6. The density of HF (g) at 25C is 1.15g/LThe lowest reported LD50 of acetaminophen is 338 mg/kg. Each tablet of acetaminophen contains 42.3 %(m/m) of acetaminophen and weighs ~1.102 g. How many acetaminophen tablets will it take for an individual weighing 182 lb to reach the LD50 of acetaminophen. Use the conversion factor of 2.205 lb = 1 kg for the lb -> kg conversion.a. If 55mg of CaC2O4 is placed in a 250mL pack of H2O nanopure at 25 celcius, how much (in mg) of CaC2O4 remains undesolved? b. If 100mg of CaC2O4 is placed in a 500mL pack of HCl at 25 celcius, how much (in mg) of CaC2O4 remains undesolved? FM: 128g/mol Pksp= 7.90
- Stock strength of a drug is 50mg/2ml a client weight is administered 25mg/ kg what volume of drug should be given?Benzoin Tincture 18 mL Peru Balsam 10 g Cold Cream 70 g Sig cold sore ointment If benzoin tincture has a specific gravity of 0.88, calculate its percentage strength (w/w) in the mixture.How would you prepare 75 mL of an H2SO4 solution at 20% in weight (density=1.1394 g/mL, richness=227.9 g/L) starting from the commercial H2SO4 solution (98%, density=1.8361 g/mL, richness=1799 g/L)?
