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Some polysaccharides are highly branched. According to the article, which physical property is NOT affected by branching? A) Solubility B) Gelling behavior C) Viscosity D) Color

Wilbo Baggins asked Oct 8, 2024

by Wilbo Baggins

8.0k points

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1 vote

11.1k views

if an acetic acid/sodium acetate buffer solution is prepared from 100. ml of 0.10 m acetic acid, what volume of 0.10 m sodium acetate must be added to have a ph of 4.00?

Silverwind asked Oct 8, 2024

by Silverwind

8.2k points

1 answer

2 votes

188k views

The polarity of water is attributed to A. the hydrogen atoms have a greater pull on the electrons B. the electrons are shared evenly between the oxygen and hydrogens C. water is not a polar molecule D.

Tolsee asked Oct 8, 2024

by Tolsee

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In a titration, 25.0 of dilute sulfuric acid was used to react completely with 20.0 of 0.400 mol/ aqueous sodium hydroxide. 2 NaOH (aq) + (aq) → (aq) + 2 (1) (a)Calculate the number of moles of sodium

Naveen asked Oct 8, 2024

by Naveen

8.4k points

1 answer

5 votes

97.3k views

Which substance is used in anodizing of aluminium .

Ifnot asked Oct 8, 2024

by Ifnot

7.9k points

1 answer

5 votes

73.1k views

The diagram above illustrates a conical flask containing water and ice. Which of the following is correct about the diagram? A. The water is at lower temperature than the ice B. Energy is absorbed when

Clucking Turtle asked Oct 8, 2024

by Clucking Turtle

8.3k points

1 answer

2 votes

228k views

What mass of P4 is needed to produce 85.0 g of PF3 if the reaction has a 64.9% yield? Consider the following reaction: P4 (s) + F2 (g) ----> PF3

Ajasja asked Oct 8, 2024

by Ajasja

8.7k points

1 answer

0 votes

147k views

Calculate the density of Freon 12, CF₂Cl₂, at 30.0 °C and 0.954 atm. a) 2.10 g/L b) 3.25 g/L c) 4.68 g/L d) 5.92 g/L

Lensflare asked Oct 8, 2024

by Lensflare

7.2k points

1 answer

1 vote

201k views

Calculate ΔH°298 for the process Co₃O₄(s) → 3Co(s) + 2O₂(g) from the following information: Co(s) + 1/2O₂(g) → CoO(s) ΔH° = −237.9kJ 3CoO(s) + 1/2O₂(g) → Co₃O₄(s) ΔH° = −177.5kJ

Nabeel Ahmed asked Oct 8, 2024

by Nabeel Ahmed

8.4k points

1 answer

2 votes

103k views

Below what pH will free phenobarbital begin to separate from asolution having an initial concentration of 4 g of sodiumphenobarbital per 100 mL at 25°. The molar solubility ofphenobarbital is 0.0050 and

Pinemangoes asked Oct 8, 2024

by Pinemangoes

8.1k points

1 answer

1 vote

170k views

What is 3co2 + 4H2O = H2CO3?

W W asked Oct 8, 2024

by W W

7.5k points

1 answer

4 votes

233k views

What is appropriate to include in a teaching plan for a 9-year-old child who has had diabetes for several years

BigBrother asked Oct 8, 2024

by BigBrother

7.4k points

1 answer

3 votes

229k views

The level of mercury in a stream was suspected to be above the minimum considered safe (1 part per billion by weight). An analysis indicated that the concentration was 0.68 parts per billion. Assume a

Davegson asked Oct 8, 2024

by Davegson

8.6k points

1 answer

2 votes

121k views

Difference between Group IA and Group VIIA in the Modern Periodic Table?

Prisacari Dmitrii asked Oct 8, 2024

by Prisacari Dmitrii

7.7k points

1 answer

2 votes

175k views

The Stock system, a convention for naming ionic compounds that contain a metal with multiple oxidation states, uses _______________. A) arabic numerals B) roman numerals C) coefficient D) none of these

Oleg Gabureac asked Oct 8, 2024

by Oleg Gabureac

8.5k points

1 answer

0 votes

47.3k views

If a strong acid is added to water, identify what happens to: a. the hydronium ion concentration b. the hydroxide ion concentration c. the pH d. the pOH

Geiser asked Oct 8, 2024

by Geiser

7.2k points

1 answer

3 votes

176k views

Predict the product(s) of this reaction: (Don't worry about balancing) C2H4 + O2

Jake McCrary asked Oct 8, 2024

by Jake McCrary

8.8k points

1 answer

5 votes

6.5k views

The structure of haloacetic acids, XCH2COOH (where X is either F, Cl, Br, or I), is shown above. The dissociation constants and molar masses of four haloacetic acids are listed in the table below. A student

Thyzz asked Oct 8, 2024

by Thyzz

6.6k points

1 answer

1 vote

29.2k views

OYes, because the volume of the blue solution stayed the same Question 6 (1 point) Students are baking a cake. They mix together all the necessary ingredients and pour them into a pan. Then they place

Sean Bannister asked Oct 8, 2024

by Sean Bannister

8.8k points

1 answer

3 votes

163k views

In _________‐gated channels, conformational state depends on the difference in ionic charge on the two sides of the membrane

Pulsejet asked Oct 8, 2024

by Pulsejet

8.1k points

1 answer

3 votes

145k views

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