Question

CHEMWORK
A 6.4×10-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic pressure of the solution is 0.56 torr at 25°C. What is the molar mass of the protein?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: When a molecule loses an electron, that molecule is said to be ___________ and often a(n) __________...

A: Oxidation and reduction reactions are the processes involved loss or gain electron.

Q: Calculate the difference in pH upon the addition of 1.00 mL of 0.100 M NaOH to 1.00 L of formate buf...

A: The pH of the sodium formate-formic acid buffer system is calculated as,

Q: A mixture is made up of 4 molecules of CH3CH2  CH2OH and 5 formula units of Pb3(PO4)4 * 6H2O. Why ar...

A: A molecule is composed of two or more elements that are covalently bonded.It is the smallest particl...

Q: State 2 differences between SN1 and SN2  reaction? Give an example of each.

A: Substitution reactions are those reactions which involve substitution of a group with another. If th...

Q: difference between SN1 and SN2?

A: SN1SN2The rate of reaction is unimolecular.The rate of reaction is bimolecularIt is a two-step mecha...

Q: Which of the following statements is incorrect:   1. the combination of two s orbitals gives bond...

A: In the chemical bonding, an antibonding molecular orbital is a type of molecular orbital that has th...

Q: Where would the compound shown below undergo bromination with Bra/FeBr3? 6. -N-C ring 1 ring 2

A: Electrophilic Aromatic Substitution reaction: a reaction in which the hydrogen atom in the aromatic ...

Q: Q#3 Prepare Cyclopenttyl methyl ether from cyclopentanol? Q4 Predict the product(s) of the following...

A: The given product is an ether and Williamson’s ether synthesis is an effective method for the prepar...

Q: Indicate the answer choice that best completes the statement or answers the question. 1. Which of th...

A: Pauli exclusion principle states that no in an atom or molecule, no two electrons can have same set ...

Q: A student determines the value of the equilibrium constant to be 06×106for the following reaction.3F...

A: Gibb's free energy is defined as the maximum amount of useful work that can be obtained from the sys...

Q: 0.5366 g of an KHP sample of unknown purity was massed. The sample was dissolved in approximately 10...

A: The reaction between NaOH and KHP can be shown as,

Q: 

A: The carbon atom containing only sigma bonds is sp3 hybridized, the carbon atom containing one pi bon...

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The most polar bond among the given options  is to be selected-a. C-Brb. C-Ic. Cl-Cld. C-F

Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi= 1....

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536 kg1m...

Q: The age of wine can be determined by measuring the trace amount of radioactive tritium. Tritium is f...

A: Radioactive decay follows first order kinetics. Tritium is a radioactive isotope of hydrogen and fol...

Q: Project 2: Food Dye Spectroscopy   If your solution is too strong or too weak to give accurate readi...

A: Absorbance and concentration are related through the Beer-Lambert law. Mathematically, it is express...

Q: 4. All of the following half-reactions are balanced except NO3-(aq) + 4H+(aq) + 3e- = NO(g) + 2H2O(l...

A: A balanced redox reaction equation will have same number of atoms on both sides of the reaction and ...

Q: Solve for T1. P1V1/T1=P2V2/T2   and also... Solve for V2. P1V1/T1=P2V2/T2

A: T1 can be solved as shown.

Q: What is the hybridization on the phosphorous atom in PCl6-? (e.g. if the shape is tetrahedral the hy...

A: Hybridization is a hypothetical phenomenon or an idea where atomic orbitals combine together in such...

Q: Anaerobic respiration occurs in the _____________ of oxygen and produces _____________ energy (ATP) ...

A: Anaerobic respiration: Anaerobic respiration is the process where cells that do not take up oxygen p...

Q: A commercial juice is known to have 130 % of the daily allowance of vitamin C per serving (235 mL). ...

A: 100% of the daily allowance of vitamin C per serving is calculated as,

Q: Keactions Br2 FeBr3 C12 Fecl3 S03 7 H2soy 7 HNO

A: The products of the given reactions can be written asBenzene reacts with chlorine or bromine in an e...

Q: 5 & 6

A: 5. Benzyl chloride is obtained from benzene by using blanc chloromethylation.  Then, benzyl cyanide ...

Q: A student has determined the mass-to-charge ratio for an electron to be 5.64 * 10^-12 kg/C. iN ANOTH...

A: Charge on a particle and mass of the particle are two physical quantities which are used for identie...

Q: The proposed mechanism for a reaction is NO + O3 => NO3 + O      Fast NO3 + O => NO2 + O2     ...

A: Click to see the answer

Q: For the reaction2N2(g) + O2(g)2N2O(g)H° = 164.2 kJ and S° = -148.5 J/KThe equilibrium constant for t...

A: The equilibrium constant can be calculated as per the following equation,

Q: What is the molecular orbital theory?

A: Molecular orbital (MO) theory in which any linear combination of atomic orbital gives the correspond...

Q: A mixture is made up of 4 molecules of CH3CH2  CH2OH and 5 formula units of Pb3(PO4)4 * 6H2O. Why ar...

A: A molecule is composed of two or more elements that are covalently bonded with each other.Whereas a ...

Q: Find the energy released (in GJ/mol) during the following fusion reaction. Masses shown are in amu. ...

A: In nuclear fission and fusion reaction, energy released is calculated using the Einstein’s equation ...

Q: If a US quarter has a mass of 5.67 g and is 1.55 mm thick, how many quarters would have to be stacke...

A: The US quarter has mass of 5.67g and is 1.55 mm thick.Convert the given thickness in mm to ft by usi...

Q: A first-order reaction has a rate constant k = 0.0815 s-1 at a temperature of 65oC and a rate consta...

A: To calculate activation energy of the reaction in kJ/mole with the given rate constant at different ...

Q: 2. Which of the following chemical equations is an oxidation reaction?  Zn(s) + S(s)= Zn(s) H2SO4(aq...

A: The first reaction, zinc reacts with sulphur to give Zn atom so no reaction procced.

Q: 6.Given the following information: 2A(g) + B(g) A2B (g) 2A(g) + C2lg) 2AC(g) Kp2 (3/2)A2(g) + B(g)+ ...

A: The given equations can be numbered as 1, 2 and 3 as given below:

Q: 4. Rank the following ions in order of increasing first ionization energy: O, Mg, F, Na. Mg2t <Nat< ...

A: In general, the nuclear charges increase means the ionization energy also increase.All the ions have...

Q: Please fill in the missing reagents that will form the products shown below. CN NH2 13. OH 14. 15.

A: In the reaction given below, a nitrile compound is converted into an amine compound. The reaction is...

Q: I need help w/ everything thanks

A: In ClF3 (Chlorine trifluoride) molecule 3 fluorine atoms are covalently bonded to a single chlorine ...

Q: 100.0 mL of a natural water sample was titrated with NaOH. 12.49 mL of 0.1347 M NaOH solution was re...

A: Molarity is a way of expressing concentration. In this, number of moles of solute dissolved per lite...

Q: 4. At 25 °C, 1.0 g of caffeine will dissolve in 47 mL of water, in 8.1 mL of chloroform, in 86 mL of...

A: The solubility of caffeine in g/100mL in each of the solvents can be calculated as:

Q: 5. A balloon used for atmospheric research has a volume of 1.0 x 106 L. Assume that the balloon is f...

A: The combined gas law relates "before and after" atmospheric conditions of a gas.  The volume of heli...

Q: What are some of the optimistic worldwide changes that may follow the advent of successful fusion re...

A: Nuclear reactions are associated with the formation of large amount of heat energy. The power gain i...

Q: Determine the number and type of chemical bonds in silicon tetrabromide (SiBr4) and rubidium chlorid...

A: The number and type of chemical bonds in silicon tetra bromide (SiBr4)One formula unit of silicon te...

Q: Calculate the pH of 1M solution of acedic acid (pKa = 4.76)?

A: The pH of the acetic acid solution can be calculated using the formula shown in belowpKa = -log(10)[...

Q: What are the ions of which it is composed? The compounds AlF3, CrCl2, and Ba(NO2)2 are ionic compoun...

A: Ionic compounds are compounds composed of ions, charged particles that form when an atom gains or lo...

Q: Which of the following is a furanose ring? CH2OH O. H ÓH OH HO a. CH2OH -O OH OH OH OH b. Both of th...

A: A furanose is a five membered ring system. A furanose ring contain four carbon atom and one oxygen a...

Q: How much NaOH (in moles) must be added to 1 L of a buffer solution that a 1.8 M in acetic acid and 1...

A: A buffer solution is that solution which resists the change in its pH when small amount of acid or b...

Q: The carbon dioxide you breathe out comes from A. glycolysis. B. the electron-transport chain. C. ana...

A: This biochemical reaction occurs inside human bodies are mainly sugars, carbohydrates, fats and prot...

Q: Consider the following Lewis structure of a formate anion and any equally important structuresthat c...

A: The resonance structures of formate ion is shown as follows:

Q: In general terms, please describe how to carry out a recrystallization. Just give the steps that sho...

A: Recrystallization is a slow process by which a solid organic compound can be purified. In this proce...

Q: According to valence bond theory chemical bonding results from overlap between orbitals. From the li...

A: The electronic configuration of H is 1s1. An unpaired electron is present in 1s orbital. Hence, 1s o...

Q: The first order decomposition of C3H6(g) at a given temperature has a half-life of 5.522 x 103 secon...

A: Half-life is the time required by any substance to reduce to its half of initial concentration.