What is the molarity of a 1.44 (m/v)% solution of HCOOH (formic acid)?

Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

A:   A 1.065 g magnesium oxide sample of 84.736% purity is treated with 50 mL of 1.017 N sulfuric acid...

Q: Calculate the heat needed at 0oC to make each of the following changes of state. Indicate whether he...

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Q: Limiting Reagent Worksheet Name 1. Use the equation given to solve the problems beneath it. 4NH3 + 5...

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Q: Give the full mechanism leading to a neutral organic product as a series of letters, dashes, and spa...

A: First we would write reaction between given reactant  and reagent.  Then accordingly we can write na...

Q: Rates of a Reaction 0.10 0.08 0.05 0.03 0.00 10 20 30 40 t (min) - A C Concentration (M)

A: Here from concentration versus time graph plot curve ,we can determine the concentration of reaction...

Q: Potassium naturally consists of 93.10% K-39 and 6.9% K-41. Calculate the atomic mass for Potassium.

A: Given that, % abundance of K-39 = 93.10 % = 0.9310  % abundance of K-41= 6.9 % = 0.069  Then,  

Q: 9. A gas obeys the van der Waals equation with P, = 3.040 x10 Pa and T. 473 K. Calculate the value o...

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Q: + NaHGO3 HO.

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Q: In a second order reaction,  2 NO 2(g)  --> 2 NO  (g) + O 2(g)     Initial concentration of NO 2 is ...

A: Given data :  1. Initial concentration of NO2 = 0.7650 M  2. Rate constant : 0.5411 M-1s-1  3. Time ...

Q: .Estimate the critical constants of a gas with the van der Waals constants: a = 0.761 bar dm mol and...

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Q: C- OH 4 5. CHg - Ö-0. CH3

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Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

A: Given : Mass of water = 4.46g

Q: The overall spin operator is represented with S and can be decomposed in how many spin projector ope...

A: As this overall spin operator can be decomposed into 3 different parts.

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

A: In C2H5OH ; here number of carbon is 2 and number of hydrogen is 6

Q: Given that there are three possible cis-dimethylcyclohexanes, if the same amount of these compounds ...

A: Three possible cis-dimethylcyclohexane are having same molecular formula. The products of combustion...

Q: What particle is emitted when Cobalt-60 decays to nickel-60? A. neutron D. a-particle B. proton E. b...

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Q: The boiling point of sulfur is 444.6°C. Sulfur’s melting point is 593°F lower than its boiling point...

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Q: 4. Chromatograms of compounds A and B were obtained at the same flow rate with two columns of equal ...

A: column chromatography

Q: 2) Use the data below to answer the questions that follow substance milk Pickle juice Oven cleaner [...

A: Given,  [H3O+] for milk = 3.2×10^(-7)  [H3O+] for pickle juice = 2.0 × 10^(-4)  [H3O+] for oven clea...

Q: The following reaction has an equilibrium constant, Kc, of 2.20 x 10-2 at a particular temperature: ...

A: The equilibrium reaction given is, => 2 ICl (g) → Cl2 (g) + I2 (g)                               ...

Q: Obtain the moles of substance in the following. a. 2.57 g C mol b. 8.88 g Cl2 mol с. 74 g CH10 mol d...

A: Calculate moles of each substance---

Q: - grams c

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Q: 10) Assume that boron is used to dope silicon. If boron dopant concentration uniform and has a value...

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Q: voltaic cell consists of a Pb/Pb^2+ half-cell and a Cu/Cu^2+ half-cell at 25 ∘C. The initial concent...

A: Given : We have to calculate the cell potential.

Q: Please provide the balanced equation in the space provided, making sure to note each reactant and pr...

A: The combustion is a reaction which takes place in the presence of oxygen. The hydrocarbons (compound...

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of I bar for all specie...

A: Relation between equilibrium constant and delta G.....

Q: Determine the empirical formula of a compound that has the following mass percents: 37.0% iron 20.5...

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Q: Select the best answer for the product of the reaction below. 1LDA 2) c.) ee a.) b.) O OH (Racemic) ...

A: The reaction given is,  

Q: A 0.512 g sample of CaCO3 is dissolved in 12 M HCl and the mixture is diluted to 250 mL. How many m...

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Q: The following reaction is at equilibrium at a pressure of 1 atm, in a closed container: C2H2(g) + 2H...

A: We have to predict the direction of reaction   

Q: An unidentified ionic compound contains approximately 29.85 g sodium, 67.50 g chromium, and 72.67 g ...

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Q: A 10-ml water sample containing ony C* and H has a pH value of 3. The sample was passed through a ca...

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of th...

Q: Draw the major product of this reaction. Ignore inorganic byproducts. H. 1. NABH4 2. Neutralizing wo...

A: Addition of hydride as nucleophile to the carbonyl carbon of aldehyde group  Protonation as neutrali...

Q: 7. Calculate the volume that 1.5 moles of EtS would occupy at 105°C and 76.13 kPa, using (a) the ide...

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

Q: Arterial embalming may  a. arrest the cause of putrefaction b. increase the possibility of putrefa...

A: Answer is a option .

Q: You mix gylcerol and equal amounts of palmitic and linolenic acids, and perform an esterification re...

A: In an esterification reaction, organic acid reacts with alcohol to form ester and water.  RCOOH+R'OH...

Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

A:

Q: When sodium acetate is added to a solution containing sodium citrate, the equilibrium will shift to ...

A: Sodium acetate is a basic salt as it formed from a strong base Sodium hydroxide and a weak acid acet...

Q: 3) Give the IUPAC names for the following structures: (a) NH2 NO2 (c) (d) с —н NH2 Br H3C

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Q: Which chemical reaction below results in no change in the number of electrolytes present in the solu...

A: The substances which dissociate into ions (cations and anions) when they dissolve in polar solvent l...

Q: What is the retardation factor of a pulse of dissolved benzene move through organic-rich wetland soi...

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Q: condense structure

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Q: Consider the following reaction and its equilibrium constant: 12 (g) + Br2 (g) ÷ 2 IBr (e) K = 1.1 x...

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Q: Calculate the mass defect and binding energy for C13 nucleus?

A: The mass defect and binding energy of C13 nucleus can be calculated as

Q: After combustion with excess oxygen, a 12.501 g sample of an oil produced 38.196 g of carbon  dioxid...

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Q: Gravimetric analysis is a quantitative method that involves measurement of volume of a solution of k...

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Q: Explain Some chemicals, like hydrogen peroxide, are prone to decomposition by photocatalysis. How to...

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Q: 2p, 2p. 2py 2p. 2p. 2Py 2р, 2р. 2р, 2p, 2p, 2py 2s 25 2s 2s lUse MO theory to determine the bond ord...

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Q: A sample of the compound shown below contains 5.22 g of nitrogen. How many grams of oxygen does it c...

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Q: ase balance the ionic equation below & 20. í Cu(NH3)4(H2O)2]2* () + _H2SO4 (2) → _CUSO4 ee) + _(NH4)...

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