Thursday
July 31, 2014

Posts by Mable


Total # Posts: 18

geometry
A drug company is testing new toothpaste in 2 flavors, regular and cinnamon. In a sample of 193 people, 121 liked regular, 112 people liked cinnamon, and 46 liked both.

science
how many atoms of magnesium are in the magnesium molecule?

hhs 265 accounting
calculating the current ratio of the XYZ nonprofit corporation balance sheet using appendix b.

chemistry
How many grams of copper is deposited from an aqueous solution of copper sulfate, (CuSO4(aq)), by passing one mole of electrons into a copper plating cell? A. 254g B. 127g D. 42.3g E. 31.8g

chemistry
The compound with the highest boiling point will be which of the following? A.CH3Cl B.CH3Br C.CH4 D.CH3F

chemistry
Carbon is able to form large numbers of organic compounds because carbon can A.form 4 bonds B.form single, double and triple bonds C.form chains, rings, spheres and sheets D.the carbon-carbon bond is very stable E.all answers are correct

chemistry
The melting point of a compound is not influenced by which of the following? A. polarity B. electronegativity of its atoms C. Van der Waals forces D. hydrogen bonds E. isotope of carbon

chemistry
An amine is characterized by what functional group? A.-CO2CH3 B.-NH2 C.-CO2H D.-CHO E.-OH

chemistry
Esters are A.found in some medicines B.often fragrant C.essential oils in fruits and flower D.found in some types of flavorings E.all answers are correct

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.

chemistry
Draw three repeating units of the condensation polymer made from ethanedioic acid and ethanediol. if anyone has a weblink that illustrates this may you please send it?

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.

chemistry
Construct the following using molecules of your choice: a) a polyester and b) a polyamide. Each drawing should have four monomers and should be original in its structure. Your polymers can not be biochemical (carbohydrate, lipid, protein, etc.). Identify the reactions as conde...

chemistry
What types of linkage joins the nucleotides a) within a single DNA strand and b) between two single DNA strands?

chemistry
Explain in terms of molecular structure why sugars have a relatively high melting point compared to hydrocarbons of a similar size.

chemistry
Explain in terms of molecular structure why sugars have a relatively high melting point compared to hydrocarbons of a similar size.

algebra
Quartics using P(X) = af(b(x-c)+d Recall Q(X) = (x-2)(x-1)(x+1)(x+2) a)Choosing a (i) Rewrite Q(x) for a. Let b = 1, c = 0 and d = 0 (ii) Make 3 copies of the same function on your calculator Let a= -1, 1 and 2 Your equations are Y1= __________(a=-1) Y2= __________(a=1) Y3= __...

chemistry
What functional group(s) must be present in a monomer of a condensation reaction?

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