Recent questions in Chemistry

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"Then wherefore sully the entrusted gem" A. Questioning the tarnishing of something precious B. A metaphor for damaging a valuable item C. An expression of disappointment D. An inquiry into the importance

BWlrYWphdWhvbmVu asked Oct 2, 2024

by BWlrYWphdWhvbmVu

8.6k points

1 answer

4 votes

216k views

If the weight of a body is 600N and its base area is 2 meters^2, calculate the pressure exerted. a) 300 Pa b) 150 Pa c) 600 Pa d) 1200 Pa

Amr Ellafy asked Oct 2, 2024

by Amr Ellafy

8.0k points

1 answer

4 votes

162k views

A 0.100 M solution of potassium hydroxide is used to titrate citric acid (citric acid has three acidic hydrogens per molecule). How many mL of potassium hydroxide will be needed to neutralize 3.35 g of

Blj asked Oct 2, 2024

by Blj

8.6k points

1 answer

2 votes

180k views

What is the pH of a buffer system containing 0.52 M HCOOK and 0.30 M HCOOH? A) 3.42 B) 4.18 C) 4.95 D) 5.71

Felix Gaebler asked Oct 2, 2024

by Felix Gaebler

7.7k points

1 answer

2 votes

196k views

If Q (>/=/<) Ksp, the solution is unsaturated and no precipitation will occur..True/False

Sumedh asked Oct 2, 2024

by Sumedh

7.7k points

1 answer

3 votes

89.5k views

Calculate the molarity when 345.0g of Na2SO4, is dissolved to make a 1.650L. solution. (include units and round to 4 sig figs)

Albert Prats asked Oct 2, 2024

by Albert Prats

8.6k points

1 answer

0 votes

211k views

Adriana is making a salad dressing to go with food she has prepared for lunch with her two friends. She makes the dressing 1 part vinegar to 2 parts oil. She has invited two more friends to join and so

Mihatel asked Oct 2, 2024

by Mihatel

8.2k points

1 answer

3 votes

214k views

Match the term with the appropriate phrase. change in state from solid to gas condensation evaporation halocline sublimation pycnocline

Gumape asked Oct 2, 2024

by Gumape

8.1k points

1 answer

1 vote

63.4k views

You set up a Snowflake account, choosing AWS as your cloud platform provider. What stages can you use to load data files? 1. USER 2. TABLE 3. NAMED INTERNAL 4. NAMED EXTERNAL - using S3 Buckets 5. NAMED

James McMahon asked Oct 2, 2024

by James McMahon

8.7k points

1 answer

0 votes

126k views

Jane knows that sodium in Na and chlorine react together violently. what is one reason the reaction readily occurs

AJak asked Oct 2, 2024

by AJak

7.9k points

1 answer

4 votes

212k views

What is the percent strength of a solution containing 150g of active ingredient in a total of 1,000ml of solution? a) 10% b) 15% c) 20% d) 25%

ThomasMcLeod asked Oct 2, 2024

by ThomasMcLeod

8.0k points

1 answer

5 votes

7.4k views

_________ interfere with oxygen exchange during normal respiration. a) Anesthetics b) Carcinogens c) Irritants d) Asphyxiants

DreadedFrost asked Oct 2, 2024

by DreadedFrost

8.7k points

1 answer

5 votes

105k views

Is forming a chemical bond something that releases energy or something that requires energy?

Shanki Bansal asked Oct 2, 2024

by Shanki Bansal

7.8k points

1 answer

1 vote

101k views

For the production of ammonia from its elements, 3h2(g) n2(g)→2nh3(g) , δh = -22 kcal/mol (-92 kj/mol ).

JakobJ asked Oct 2, 2024

by JakobJ

7.9k points

1 answer

4 votes

54.2k views

Where would you find DHA and EPA fatty acids?

Garlapak asked Oct 2, 2024

by Garlapak

7.8k points

1 answer

3 votes

180k views

Please Help!! A 25.0-mL sample of H2SO4 is neutralized by 27.4 mL of 1.00M KOH. What is the concentration of the acid?

Umair Abid asked Oct 2, 2024

by Umair Abid

8.6k points

1 answer

3 votes

208k views

Determine the oxidation state of carbon in CO2. a) +5 b) +2 c) +3 d) +4

Aaron Sherman asked Oct 2, 2024

by Aaron Sherman

8.2k points

1 answer

5 votes

120k views

Automatic dish machines using hot water should have a final rinse temperature of: a. 140°F b. 160°F c. 180°F d. 200°F

Stewdebaker asked Oct 2, 2024

by Stewdebaker

7.8k points

1 answer

0 votes

36.9k views

Which of the following factors contribute to the tetrahedral shape of the above molecule?

Anastatia asked Oct 2, 2024

by Anastatia

8.3k points

1 answer

2 votes

106k views

Oxyfluorides, compounds containing oxygen and fluorine, have interesting molecular geometries. Sketch the molecular geometry of FCIO₂ and F₂ClO₂⁻. a) | FCIO₂ | Tetrahedral, Bent | F₂ClO₂⁻ | Trigonal Bipyramidal,

Giovanni S asked Oct 2, 2024

by Giovanni S

7.9k points

1 answer

1 vote

88.1k views

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