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Recent questions in Chemistry
PLEASE HELP!!! A student takes 45.0 grams of N204 and combines it with 250mL of *.. NaOH. 1. Name each compound. 2. State whether each compound bonds via ionic, covalent, or metallic bonds. 3. Find the
Halfwarr
asked
Oct 7, 2024
by
Halfwarr
8.5k
points
Chemistry
high-school
1
answer
2
votes
81.6k
views
1.5 oz. spirits X 40% alc./vol. =
MooingRawr
asked
Oct 7, 2024
by
MooingRawr
9.0k
points
Chemistry
high-school
1
answer
1
vote
48.4k
views
In the following chemical reaction, what are the numbers 2, 3, and 4 called? P4 (s) + 6 Cl2 (g) → 4 PC13 Select one: O a. atomic mass O b. coefficients O c. subscripts O d. atomic numbers
Cderv
asked
Oct 7, 2024
by
Cderv
8.7k
points
Chemistry
college
1
answer
1
vote
200k
views
Which of the following mixtures will be a buffer when dissolved in a liter of water? A. 0.2 mol HBr and 0.1 mol NaOH B. 0.1 mol Ca(OH)₂ and 0.3 mol HI C. 0.3 mol NaCl and 0.3 mol HCl D. 0.2 mol HF and
Prakash Bhagat
asked
Oct 7, 2024
by
Prakash Bhagat
7.9k
points
Chemistry
high-school
1
answer
1
vote
222k
views
For the hydrogen atom, a. Write Schrodinger's equation
Ufos
asked
Oct 7, 2024
by
Ufos
7.8k
points
Chemistry
high-school
1
answer
2
votes
225k
views
What test is a light blue topped sodium citrate tube used for? a. Complete Blood Count (CBC) b. Prothrombin Time (PT) c. Partial Thromboplastin Time (PTT) d. Blood Glucose Test
Tozar
asked
Oct 7, 2024
by
Tozar
7.9k
points
Chemistry
high-school
1
answer
5
votes
181k
views
What occurs in the reaction of alkenes with KMnO4? What products are formed?
Kisel Alexander
asked
Oct 7, 2024
by
Kisel Alexander
7.8k
points
Chemistry
high-school
1
answer
0
votes
89.4k
views
The type of bond connecting two monosaccharides to form a disaccharide is called a
Nema
asked
Oct 7, 2024
by
Nema
7.6k
points
Chemistry
high-school
1
answer
4
votes
17.4k
views
Describe the formation of ionic bonds between elements from Group I and Group VII, including the use of dot-and-cross diagrams
Quonux
asked
Oct 7, 2024
by
Quonux
8.5k
points
Chemistry
high-school
2
answers
1
vote
115k
views
A bare helium nucleus consists of two protons and two neutrons and has a mass of 6.64 × 10–²⁷ kg. A. Calculate its kinetic energy in joules at 2.00% of the speed of light. Use the non-relativistic formula.
Kay Sarraute
asked
Oct 7, 2024
by
Kay Sarraute
8.0k
points
Chemistry
high-school
1
answer
4
votes
184k
views
A sample mixed with bromophenol blue is run using agarose gel at a standard voltage and time. The results yield bands of 200 bp, 50 bp, and the bromophenol blue. Which of the three will migrate the shortest
Fatuhoku
asked
Oct 7, 2024
by
Fatuhoku
7.6k
points
Chemistry
high-school
1
answer
2
votes
58.9k
views
The consecutive order of amino acids in a polypeptide chain represents its _______ structure.
Myz
asked
Oct 7, 2024
by
Myz
7.8k
points
Chemistry
high-school
1
answer
0
votes
228k
views
A naturally occurring substance that seeps up from the ground and that is potentially toxic to people is ________. A) radon gas B) Salmonella C) DDE D) bisphenol A E) carbon dioxide
Andy Ho
asked
Oct 7, 2024
by
Andy Ho
9.2k
points
Chemistry
high-school
1
answer
1
vote
47.6k
views
A solution contains 1.16×10⁻² m iron(iii) nitrate and 1.45×10⁻² m calcium acetate. solid potassium hydroxide is added slowly to this mixture.what is the concentration of hydroxide ion when this precipitation
Sam Mullin
asked
Oct 7, 2024
by
Sam Mullin
7.8k
points
Chemistry
high-school
1
answer
5
votes
23.5k
views
A balloon expands from 2500 L to 3500 L. If the final pressure was 700 mm Hg, what must the initial ressure have been?
Paoloeusebi
asked
Oct 7, 2024
by
Paoloeusebi
7.8k
points
Chemistry
high-school
1
answer
1
vote
114k
views
When 11 moles of O2 reacts with 1.1 mole of C10H8, what is the limiting reactant? C10H8 + 12O2 → 10CO2 + 4H2O
Simanas
asked
Oct 7, 2024
by
Simanas
7.0k
points
Chemistry
college
1
answer
4
votes
92.3k
views
Please help me D: !! The density of ocean water is approximately 1.03 g/mL. How many grams of salt are dissolved in 1.5 L of ocean water solution? Round your answer to the ones place and include units
Bekim
asked
Oct 7, 2024
by
Bekim
7.6k
points
Chemistry
high-school
1
answer
0
votes
123k
views
Give the symbol for the atom that corresponds to each electron configuration. (add the electrons and then find on periodic table) A) 1s 22s 2 2p 6B) 1s 22s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 7 5s 1C)
Kajice
asked
Oct 7, 2024
by
Kajice
7.5k
points
Chemistry
high-school
1
answer
5
votes
220k
views
How many grams of Fe2O3 are produced from 6.3g of O3?
Sundrah
asked
Oct 7, 2024
by
Sundrah
7.9k
points
Chemistry
high-school
1
answer
5
votes
108k
views
For a certain reaction, the change in Enthalpy is negative and the change in Entropy is positive at a temperature of 300K: ΔH < 0, and TΔS > 0. Question 1: Is ΔG = ΔH – TΔS positive or negative? Question 2: Is it a
Dave Burt
asked
Oct 7, 2024
by
Dave Burt
7.3k
points
Chemistry
high-school
1
answer
5
votes
199k
views
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