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Recent questions in Chemistry
The diagram shows a cross section of a thermos the vacuum between the outer and inner bottles is a space containing no air of other matter
Dave Smylie
asked
Dec 20, 2024
by
Dave Smylie
9.2k
points
Chemistry
high-school
2
answers
2
votes
73.3k
views
A pure copper sphere has a radius of 0.929 in. Part A: How many copper atoms does it contain?
Rdllopes
asked
Dec 20, 2024
by
Rdllopes
8.1k
points
Chemistry
high-school
1
answer
0
votes
43.0k
views
calculate the [h3o ] of a solution that is 0.2 m in hf and 0.1 m naf a = 7.2 × 10-4 for HF.a. 6.3 × 10–5 M b. 1.4 × 10–3 M c. 5.0 × 10–3 M d. 3.2 × 10–4 M e. 4.0 × 10–6 M
Shamis Shukoor
asked
Dec 20, 2024
by
Shamis Shukoor
7.5k
points
Chemistry
high-school
2
answers
1
vote
133k
views
What is a fat that is solid at room temperature and found in animal fats, lards, and dairy products? 1) Saturated fat 2) Unsaturated fat 3) Trans fat 4) Cholesterol
Therkel
asked
Dec 20, 2024
by
Therkel
8.5k
points
Chemistry
high-school
1
answer
1
vote
221k
views
How would you prepare 50 mls of 8 % cell suspension from packed cells?
Heikki
asked
Dec 20, 2024
by
Heikki
7.9k
points
Chemistry
high-school
1
answer
5
votes
62.5k
views
8) Choose True or False. If False; choose the statement to make it True. If you are planning a Caribbean vacation in August, you will need to watch for hurricanes. O False; If you are planning a Caribbean
SkrewEverything
asked
Dec 20, 2024
by
SkrewEverything
7.6k
points
Chemistry
high-school
1
answer
4
votes
215k
views
What does Decadron do for LA blocks?
Zakjan
asked
Dec 20, 2024
by
Zakjan
8.0k
points
Chemistry
high-school
1
answer
3
votes
106k
views
How many grams of calcium cyanide (Ca(CN)₂) are contained in 0.69 mol of calcium cyanide? a. 64 g b. 1.2 × 10⁻24 g c. 4.2 × 10²3 g d. 92 g e. 0.0075 g
Bryan Elliott
asked
Dec 20, 2024
by
Bryan Elliott
7.8k
points
Chemistry
high-school
1
answer
2
votes
152k
views
Is Glycogen phosphorylase kinase (GPK) on or off in a fasted state? a) On b) Off
Blcknx
asked
Dec 20, 2024
by
Blcknx
8.4k
points
Chemistry
high-school
1
answer
5
votes
200k
views
Who is known as the "father of modern chemistry" because he first or groups? Johann Wolfgang Döbereiner Antoine Lavoisier Dmitri Mendeleev O Henry Moseley
Otto Allmendinger
asked
Dec 20, 2024
by
Otto Allmendinger
8.1k
points
Chemistry
college
1
answer
2
votes
103k
views
When you balance the equation C₂H₆ + O₂ → CO₂ + H₂O, what is the coefficient of oxygen? a. 2 b. 6 c. 4 d. 7
HassanUsman
asked
Dec 20, 2024
by
HassanUsman
8.3k
points
Chemistry
high-school
1
answer
0
votes
135k
views
Which Science and Engineering Practice BEST describes the following statements? "1. Use a weighing paper and balance to measure 0.2 g of baking soda. 2. Use a graduated cylinder to measure 250 ml of vinegar
Frank Nguyen
asked
Dec 20, 2024
by
Frank Nguyen
8.1k
points
Chemistry
high-school
1
answer
3
votes
72.4k
views
Compound Melting Point, °C NaCl 800.7 Melting Point Data KCI 771 Mgl₂ MgO MgS 724 646 1263 714 634 2825 2226 RbCl CsCl MgF₂ MgCl₂ 3. SEP Construct Explanations Discuss similarities between the compounds
Bmacnaughton
asked
Dec 20, 2024
by
Bmacnaughton
8.4k
points
Chemistry
high-school
1
answer
4
votes
149k
views
Which of the following statements best describes the bonding and structure of KCI? a) A small lattice structure held together by electrostatic forces between oppositely charged ions which act in all directions
Junior Bill Gates
asked
Dec 20, 2024
by
Junior Bill Gates
7.9k
points
Chemistry
high-school
1
answer
3
votes
217k
views
All CFC, HCFC, and HFC refrigerant recovery devices must ________. a) be approved by the EPA b) be color-coded c) be used only indoors d) have a built-in refrigerant identifier
Euphe
asked
Dec 20, 2024
by
Euphe
6.7k
points
Chemistry
high-school
1
answer
1
vote
97.5k
views
What is the number of degenerate orbitals for the 5s orbital?
Jemma
asked
Dec 20, 2024
by
Jemma
8.5k
points
Chemistry
college
1
answer
4
votes
55.6k
views
What is Lugol's solution commonly used for? a) Treating vitamin C deficiency b) Disinfecting wounds c) Staining cells in biology d) Preventing potassium deficiency
Nayana Madhu
asked
Dec 20, 2024
by
Nayana Madhu
7.9k
points
Chemistry
high-school
1
answer
0
votes
18.6k
views
In your lab notebook, prepare data tables with the calculated volumes needed for each of the five stocks (ZY, 50x M, 1000x metals, 1 M MgSO4, 50 mg/ml kanamycin) needed to prepare autoinduction base medium,
Andyandy
asked
Dec 20, 2024
by
Andyandy
8.9k
points
Chemistry
high-school
1
answer
0
votes
54.4k
views
What is the temperature inside a 36.81 L balloon that is holding 2.845 moles of gas at 5.213 atm? R=0.08206 L⋅atm/mol⋅K a. 548.8 °C b. 244.8 °C c. 821.9 °C d. 278.1°C
Nicolas Keller
asked
Dec 20, 2024
by
Nicolas Keller
8.1k
points
Chemistry
high-school
2
answers
1
vote
159k
views
Sugar is dissolved in water to make 10M of sucrose solution. What is a) the solute and b) the solvent?
Cenoc
asked
Dec 20, 2024
by
Cenoc
8.3k
points
Chemistry
high-school
1
answer
3
votes
233k
views
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