1,698 Answered Questions for the topic biochemistry

Biochemistry Science Biology Chemistry

05/25/21

Help me with gas chemistry please

A balloon has a volume of 150 mL. If the pressure is kept constant, while the temperature is halved, the volume of the balloon:A. Will also be doubledB. Will be halved   C.  Will be squaredD. Will... more
Follows • 1
Expert Answers •1
Biochemistry Math Science Biology

05/25/21

please help me with the gas laws in chemistry

Which of the following is true if the temperature of the gas in a cylinder is increased, while the number of moles of gas and volume of the container remains the same? Select all that apply.A.... more
Follows • 1
Expert Answers •1
Biochemistry Math Science Biology

05/25/21

please hep me with this math problem of gas laws for chemistry

A sample of sulfur hexafluoride gas occupies 5.84 L at 198°C. Assuming the pressure remains constant, what temperature (in °C) is needed to reduce the volume to 2.83 L? Answer in units of °C
Follows • 1
Expert Answers •1
Biochemistry Math Science Biology

05/25/21

Help me with gas laws in chemistry with math
A 75 L sample of dry air cools from 147°C to -37°C while the pressure is maintained at 2.85 atm. What is the final volume?Answer in units of  L
Follows • 1
Expert Answers •1
Biochemistry Math Science Biology

05/25/21

please help me with gas laws of chemistry

Calculate the temperature of an argon sample at 55.4 kPa and 18.6 L if it occupies 25.8 L at 75.0°C and 41.1 kPa.A. 65.2°CB.77.2°C     C. 95.0°CD. 72.9°CE. 85.1°C
Follows • 1
Expert Answers •1

05/25/21

please help me with gas laws in chemistry

Explain why a helium weather balloon expands as it rises in the air. Assume that the temperature remains constant.A. The atmospheric pressure outside the balloon increases, and the gas inside... more
Follows • 1
Expert Answers •1

05/25/21

please help me with chemistry gas laws
Why do astronauts have to wear protective suits when they are on the surface of the moon? (Select all that apply.)A. The temperatures are too cold, or too hot, to sustain life for long; and there... more
Follows • 1
Expert Answers •1

05/25/21

help with gas laws please

Give the common units for pressure.A. mmHg, atm, kPaB. mmH2O, atm, Pa    C.mmHg, atm, litersD. mmH2O atm, kPa
Follows • 1
Expert Answers •1

05/25/21

Please hep with gas laws

Which is not a physical characteristic of gases?A. Gases are the most compressible of the states of matter.B. Gases assume the volume and shape of their containers.    C. Gases will mix evenly and... more
Follows • 1
Expert Answers •1
Biochemistry Math Science Biology

05/24/21

Using EcoRI, which cuts at 5' GAATTC 3', indicate how many strands would be produced?
5’ A G A A T T C G C T T A A G T C G A C G T A A G C C G G A A T T C C A T T C G A A T T A G 3’ 3’ T C T T A A G C G A A T T C A G C T G C A T T C G G C C T T A A G G T A A G C T T A A T C 5’ Using... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/24/21

chemistry question

2.  How many grams of water can be produced with 60 grams of sulfuric acid and 200 grams of sodium hydroxide? Which reactant is limiting? How many grams of the excess reactant will be left after... more
Follows • 1
Expert Answers •1
Biochemistry

05/23/21

need a help to explain this problem, thank you!
Trypsin cleaves polypeptide chains at the carboxyl side of a lysine or arginine residue. Chymotrypsin cleaves polypeptide chains on the carboxyl side of an aromatic amino acid residue or nonpolar,... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/21/21

I DONT UNDERSTAND . NEED HELP

WOULD THE ANSWER BE METHANE??  On Monday, they asked their teacher about how it is possible to have so many different types of stuff from only 100 elements. Mrs. Morris, Julie’s teacher, said they... more
Follows • 2
Expert Answers •1

05/21/21

GOOD EXPLANANTION NEEDED

Julie and Terry were talking about stuff while sitting around the campfire. They were marveling about all the different types of stuff that exists. Julie told Terry that stuff is called matter and... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/21/21

good explanation needed! im confused

 Gummy Worms are a synthetic material, made when two chemicals, sodium alginate and calcium chloride, are mixed and allowed to react. Sodium alginate is isolated from seaweed. The other ingredient,... more
Follows • 2
Expert Answers •1
Biochemistry Science Biology Chemistry

05/21/21

good explanation needed i need help

A person claims that aspirin is not “natural” and refuses to use it to relieve their pain. Which of the statements best refutes (argues against) this person’s claim? Aspirin has been used to... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/21/21

I dont understand ! i need help with explanation on what to do.
Mrs. Morris also found the two models below in the closet. Look closely at the models of two solids as shown below. Using your knowledge and correct terminology of the composition of matter,... more
Follows • 1
Expert Answers •1
Biochemistry

05/21/21

If a 100. Liter balloon is filled with 4.00 moles of O 2 at a pressure of 1.50 atm what is the temperature in Celcius?
A. 325 CB. 3249 CC. 184 CD 457 C
Follows • 0
Expert Answers •1
Biochemistry

05/21/21

If sealed rigid 1.00 Liter container that holds 3.00 moles of gas is thrown into a 1450 degrees * C campfire what will the Internal pressure be?
Follows • 1
Expert Answers •1
Biochemistry Math Algebra 1 Algebra 2

05/20/21

i dont understand! can please help me so I solve this ??

Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/20/21

If anyone could help me out that would be amazing,with hemi
What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? How many moles of the excess... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/20/21

Chemistry question

What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? How many moles of the excess... more
Follows • 1
Expert Answers •1
Biochemistry Biology Biology Chemistry

05/20/21

limiting reactants

  How many grams of sodium nitrate can be produced with 60 grams of sodium chloride and 55 grams of lead IV nitrate? Which reactant is limiting? How many grams of the excess reactant will be left... more
Follows • 1
Expert Answers •1
Biochemistry Science Biology Chemistry

05/20/21

chemistry question I would really love if someone can help me
2.      How many grams of sodium nitrate can be produced with 60 grams of sodium chloride and 55 grams of lead IV nitrate? Which reactant is limiting? How many grams of the excess reactant will be... more
Follows • 2
Expert Answers •1
Biochemistry Science Biology Chemistry

05/20/21

Limiting Reactant in Grams
1.      What is the greatest amount of silicon tetrafluoride in grams that can be produced 48 grams of HF and 92 grams of SiO2? Which reactant is limiting? How many grams of the excess... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.