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What is the ratio of citric acid (pK1=3.09) to monosodium citrate in a 1.0 M citric acid solution with a pH = 2.09? a) 1:1 b) 10:1 c) 1:10 d) 1:100

Don Rowe asked Dec 14, 2024

by Don Rowe

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Rature. wity What properties would you expect for CaO? Select all that apply. 6 It is likely a gas or liquid at room temperature. It is likely soluble in water. It will likely light up a bulb in a conductivity

Hackerds asked Dec 14, 2024

by Hackerds

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Assign oxidation states for the elements in the below equation. Cr₂O₇⁻² (aq) + C₂O₄⁻² (aq) = Cr⁺³(aq) +CO₂ (g) Reactants: Cr = O = C = O = Products: Cr = C= O =

Bryan Corazza asked Dec 14, 2024

by Bryan Corazza

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If hydrochloric acid reacts with 13.7g of sodium sulfate, how many grams of sulfuric acid are produced?

Ranga Reddy asked Dec 14, 2024

by Ranga Reddy

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Which of the following is not typical of most hydrocarbons? A) high melting point B) poor solubility in water C) low boiling point D) covalent bonding Organic chemistry is the study of the chemistry of

Mark Fowler asked Dec 14, 2024

by Mark Fowler

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Complete combustion of 5.40 g of a hydrocarbon produced 17.4 g of CO₂ and 5.92 g of H₂O. What is the empirical formula for the hydrocarbon? Insert subscripts as necessary.

Walkingbrad asked Dec 14, 2024

by Walkingbrad

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4 votes

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4. . A common laboratory technique is to collect gas from a chemical reaction by what is called water displacement. In water displacement, the volume of the gas collected is equal to the volume of water

FullStack asked Dec 14, 2024

by FullStack

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2 votes

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When do you add lime or other amendments to the soil?

Kvam asked Dec 14, 2024

by Kvam

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5 votes

83.8k views

What is the hydrogen ion concentration of a solution with pH = 2.25?

ZhukV asked Dec 14, 2024

by ZhukV

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What is the water cycle

Michael Renner asked Dec 14, 2024

by Michael Renner

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5 votes

28.4k views

D5W is a solution used as an intravenous fluid. It is a 5.0% by mass solution of dextrose (C₆H₁₂O₆) in water. If the density of D5W is 1.029 g/mL, calculate the molarity of dextrose in the solution. a)

Tardate asked Dec 14, 2024

by Tardate

8.1k points

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14.2k views

Which of the following characterizes a weak base? A. It binds a little OH- and has a weak effect on pH. B. It binds a lot of OH- and has a strong effect on pH. C. It binds a little H+ and has a weak effect

Ntzm asked Dec 14, 2024

by Ntzm

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The simplest mineral structures are those in which the bonding is primarily ____. A. Covalent B. Metallic C. Ionic D. Van der Waals

GGalizzi asked Dec 14, 2024

by GGalizzi

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What is the reduction potential of this electrochemical half-cell at 298 K ? ∣H^(aq,0.050M)∣H^2 (g,3.00 atm)∣ a)−0.21 V b)1.78 V c)0.00 V d)−0.053 V

Azat asked Dec 14, 2024

by Azat

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171k views

What level of protein structure describes the spatial location of every atom in a protein? Choose one: A. 0' B. 2' C. 1' D. 3'

Dube asked Dec 14, 2024

by Dube

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explain why if distilled water is kept in a sealed bottle for a long time ,it leaves etchings on the surface of the glass

Yoichiro Tanaka asked Dec 14, 2024

by Yoichiro Tanaka

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What volume of water should be added to 20 mL of a 0.6 M HCl solution if a 0.1 M solution is needed for the lab experiment

Rachela Meadows asked Dec 14, 2024

by Rachela Meadows

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111k views

2n=16. How many sister chromatids are there during metaphase 1? a. 32 b. 64 c. 16 d. 8

Lukasz Czerwinski asked Dec 14, 2024

by Lukasz Czerwinski

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Consider the following properties of an element: (i) It is solid at room temperature. (ii) It easily forms an oxide when exposed to air. (iii) When it reacts with water, hydrogen gas evolves. (iv) It must

Slisnychyi asked Dec 14, 2024

by Slisnychyi

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108k views

suppose you were teaching a science class to middle school students. because you want to show them an impressive chemical reaction, you decide to dissolve zinc in hydrochloric acid. you add more acid than

Mayank Pandeyz asked Dec 14, 2024

by Mayank Pandeyz

7.8k points

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3 votes

208k views

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