Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Biology Expert

1) Since calcium and magnesium salts of fatty acids are not soluble in water, describe how would you expect this to influence the usefulness of soap in hard water?

2) If you were to make soap (by using 4 grams of lard, 2 mL of 7.8 M sodium hydroxide and boiling it) and add it to the given and inverting, what would you expect to see as far as results?

a) Medium test tube of 1/4 de-mineralized water and 10 drops 0.1 M CaCl2

b) Medium test tube of 1/4 de-mineralized water and 10 drops 0.1 M NaCl

c) Medium test tube of 1/4 de-mineralized water and 10 drops 0.1 M MgCl2

d) Medium test tube of 1/4 de-mineralized water

3) describe why would these results take place the way they did?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M937128

Have any Question?


Related Questions in Biology

Do polynucleotides make the proteins dna polymerase 1 dna

Do polynucleotides make the proteins DNA polymerase 1, DNA Polymerase 3, Helicase, SSB proteins, ligase and Primase?

You have been allocated a cdna accession number from the

You have been allocated a cDNA accession number from the NCB' database (see table below on page 2). Your task is to design experimental strategies that will allow you to: clone the cDNA in different expression vectors us ...

John is a 53-year old contraction worker who has come into

John is a 53-year old contractIon worker who has come into your office complaining of a sore knee joint. You see a buildup fluid close to the patella (kneecap) but deep to the skin and suspect the soreness is due to burs ...

What problems does this traditional classification scheme

What problems does this traditional classification scheme of protists create in our understanding of the evolutionary relationships that exist between protists?

Question please provide an answer to the question in 150

Question: Please provide an answer to the question in 150 words Pretend that you have just met someone who has never heard of "natural selection."Explain to him/her how natural selection works. Use one particular type of ...

Alice wanted to test a experiment alice always chews double

Alice, wanted to test a experiment. Alice always chews double mint gum because she just quit smoking. Someone told Alice that eclipse gum would last longer. So Alice decided to compose an experiment. Which of the two gum ...

Is the iso-osmotic point different for different solutes

Is the iso-osmotic point different for different solutes? Please specify in what ways can the iso-osmotic points be different and why there is a difference.

In some varieties of chickens as in snapdragons incomplete

In some varieties of chickens, as in snapdragons, incomplete dominance involves three colors: white (aa) blue (Aa), and black (AA). If a blue male chicken is mated with a blue female, what are the expected phenotypic and ...

Why soap changes the surface tension of waterand why adding

Why soap changes the surface tension of water? And why adding water into penny, the average of water drops in 90oC temperature water is less than average of water drops in room temperature

Question all cancers are characterized by uncontrollable

Question: All cancers are characterized by uncontrollable cell growth and division, and when untreated, may be fatal. Cancers that occur in childhood are usually more malignant than those developed later in life. 1) Why ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As