%3D +) CI

Q: At a temperature of 373.15K and a pressure of 2.10 atm H2 gas occupies a volume of 34.99L. Use the C...

A:

Q: o determine the number of moles of H2

A: Number of moles = mass/molar mass

Q: 1. Balance and classify each of the following reactions by its type. Classification H2S (g) + _O2 (g...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: The atomic weight of chromium is less than that of copper. Which of the following statements is true...

A: No. of atoms in 345g of chromium = 345 X6.023X1023/51.99 = 39.96X1023

Q: The pH for 0.0850 M solution of C6H5CH2COOH is 2.68. Determine the value of Ka for C6H5CH2COOH.

A: Given pH of C6H5CH2COOH is = 2.68. We Know, pH = - log[H3O+] So, 2.68 = - log[H3O+] Or, log[H3O+] = ...

Q: Balance the following chemical equation using the smallest, whole- number coefficients: Al + HCI → A...

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Q: Merry is attempting to use super-cooled Nitrogen to remove the ring from Frodo's hand. He releases 1...

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Q: Classify the following bonds as ionic, polar covalent, or nonpolar covalent, and give your reasons. ...

A: Ionic bond is a type of chemical bond that generates two oppositely charged ions. A polar covalent b...

Q: Determine the mass of Na2S in 2.84 mol of Na2S. options:   222 g   none of...

A: From the mole of the compound we can calculate the mass 

Q: Chemistry Question

A: On average nuclear power, workers receive a lower annual radiation dose than the crew, and frequent ...

Q: Name an alkenes that would yield the alcohol above on hydration. Just one is fine. Would you use: hy...

A: Alkenes on hydroboration oxidation gives alcohol according to the antimarkownikoff rule whereas by o...

Q: The atomic weight of chromium is less than that of copper. Which of the following statements is true...

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

Q: In a test tube of oil, lipase, and phenol red, what would the color and pH be? Would fat digestion t...

A: Given : Different type of substances. To find : PH and colour of these substances.  Solution : As we...

Q: Find the molarity of NaOH ,when 40.00 mL of NaOH solution was titrated with 0.572 N H2S04, 23.40 mL ...

A: Molarity of sulfuric acid = 0.572/2 = 0.286M  

Q: Q1. Dissolved 0.273 grams of pure sodium oxalate (Na,C,O.) in distilled water and added sulfuric aci...

A: Normality of solution is equal to equivalents per litre. And Normality = n-factor × Molarity

Q: Plz help in both problem

A: Balancing of chemical equation is done in order to satisfy the law of conservation of mass. Along wi...

Q: What is the charge of the copper in the compound CuCl2?

A: Charge on a atom in a molecule is determined by considering the charge of the other atoms and overal...

Q: Mrs.Richards, mixed two unknown chemicals. The mixture changes its colour after the two chemicals ha...

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Q: A walnut stuck to a pin is burned beneath a can containing 100.0 grams of water at 21°C. After the w...

A: 3000 joules.

Q: Determine the moles of hydrogen atoms in 2.50 mol of glucose, C6H12O6.  options:   1.81...

A: Given  Number of mole of glucose = 2.50 mole  Moles of Hydrogen atom =?

Q: Which of the following polysaccharides contain both alpha 1 → 4 and beta 1 → 4 linkages? a. amylose ...

A: b cellulose

Q: Answer d,e,f

A: We need to determine balanced reaction and type of reaction.

Q: how many grams of oxygen can be produced from 17.4g of lithium chlorate when it decomposes into lith...

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Q: Given that  2Al(s) +  3   2 O2(g)  →  Al2O3(s)   Δ H o   rxn = −1...

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Q: Chemistry Question

A: Position is released  beta decay.

Q: The pH of a 1.00 × 10² M solution of cyanic acid (HOCN) is 2.77 at 25.0 °C. Calculate Ka for HOCN fr...

A: Solution :         The process of dissociation involves the segregation of molecules into smaller un...

Q: In which of the following compounds would hydrogen have an oxidation state of zero? A) HI B) NaH C) ...

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost ot...

Q: Zinc oxide is found in ointments for the skin. What formula best describes this compound, which cont...

A: Chemical formula can be formed by criss-crossing the valency of ions.

Q: Forty grams of NaOH are dissolved in water and diluted to 500 ml. The solution’s concentration is .....

A: Given :- mass of NaOH = 40 g  Volume of solution = 500 ml  To calculate :- molar concentration

Q: If the specific heat of aluminum is 0.90 J/(g°C), how much heat is needed to raise the temperature o...

A: Given :-  specific heat (c) = 0.90 J/g°C  mass (m) = 10.0 g  change in temperature (∆T) = 20.0 °C   ...

Q: Major product for  these?

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Q: 11. Jamie is trying to fill his basketball up with air. He remembers that it needs 18 Liters of air ...

A: Jamie is trying to fill his basketball.

Q: - The volatility points of alkanes... .. (a) Increase with the number of carbon atoms in the chain (...

A: The answer is given as follows The alkanes are saturated hydrocarbon compounds that are non-polar in...

Q: a. How many molecules of dinitrogen monoxide are present in 4.63 moles of this compound? _____molecu...

A:

Q: Give the relationship between the two compounds (enantiomers, diastereomers, same) below.

A: Enantiomers are the isomers that are non-superimposable mirror images of each other.  Diastereomers ...

Q: Class Name Odor? Unpleasant smell, Pleasant Taste? Sour, bitter, salty, no taste / NAMING- continuou...

A: All boxes filled below in step 2:-

Q: Elements of group 16 form hydrides with the generic formula H2X. When gaseous H2X is bubbled through...

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Q: Volume solution(500ml)containin g (1.4gm)of pure (Na2Co3)if we know that (25ml) equal with (24.5ml)o...

A: given, volume of Na2CO3 = 500 mL = 0.500 L            mass of Na2CO3 = 1.4 g Now, normality of a sol...

Q: b.How many moles of dinitrogen tetrafluoride are present in 3.16x 10^22 molecules of this compound? ...

A: Number of moles= 5.45×10-2 moles

Q: How much heat is evolved when a 35.0 g sample of copper increases from 25.0oC to 35.5oC? Group of an...

A: The heat 'q' which is required to increase the temperature of a sample of mass 'm' having specific h...

Q: 16. Bill has a can of propane that is being stored under 6.8 atm of pressure and at 25°C. If he know...

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Q: What Volume of 12M and 3M Hcl must be Mixed to give 1liter of 6M Hcl ...●●...

A:

Q: 12.8364 12.7398 11.6023 11.4888 esponse here. Type response here. Type response here. response here.

A: Mass of the compound used = Mass of vial and compound- Mass of emptied vial Mass of sodium chloride ...

Q: Chemistry Question

A: There are various types of source of energy renewable and nonrenewable energy source .

Q: A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 9.6 x 10-2 s1 at 0°C and 20.°C, resp...

A: The given data contains, k1=4.6×10-2/sk2=9.6×10-2/sT1=273 KT2=293 K  

Q: Suppose the fluid in the stomach of a woman suffering from indigestion can be considered to be  200...

A: Here is the answer

Q: Q5 \ The phenyl methanol was the limiting factor in this reaction. using the fact that the student u...

A: % yield= Theoretical/Experimental ×100

Q: Lance is trying to fill up a beach ball with air. He knows that he has put 30 Liters of air into it ...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: Helppp

A:

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of ...

A: