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Recent questions in Chemistry
Calculate the pH of a 1.5 M HCN solution. Ka= 4.9 x 10⁻¹⁰ for HCN
VaMoose
asked
Oct 4, 2024
by
VaMoose
9.4k
points
Chemistry
high-school
1
answer
5
votes
66.9k
views
Scientific method to identify the virus that is causing this disease A) observe a natural phenomenon or reaction -devise an explanation of what you have observed B) experiment to support or refute your
Bobby Woolf
asked
Oct 4, 2024
by
Bobby Woolf
8.3k
points
Chemistry
high-school
1
answer
1
vote
102k
views
What is it called when the pH is in the acceptable range (7.35-7.45)?
Stepan Sanda
asked
Oct 4, 2024
by
Stepan Sanda
8.8k
points
Chemistry
high-school
1
answer
5
votes
198k
views
A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3+ 2 Cr³+ (aq) + 3Ca (s) → 2Cr (s) + 3 Ca²+ (aq) 3+ Suppose the cell is prepared with 4.01 M Cr³+ in one half-cell
Palace Chan
asked
Oct 4, 2024
by
Palace Chan
8.1k
points
Chemistry
college
1
answer
0
votes
211k
views
If the temperature is 63f, that is equivalent to ?C if the temperature is 42C, that is equivalent to ?
Charanoglu
asked
Oct 4, 2024
by
Charanoglu
8.0k
points
Chemistry
high-school
2
answers
2
votes
55.3k
views
To avoid overprocessing and ___________________________ do not apply relaxer to the hair closest to the scalp until the last few minutes of processing.
Jaeeun Lee
asked
Oct 4, 2024
by
Jaeeun Lee
7.9k
points
Chemistry
high-school
1
answer
0
votes
232k
views
Boron ions and nitrogen ions are held together by ionic bonds. a. True b. False
Jolita
asked
Oct 4, 2024
by
Jolita
7.3k
points
Chemistry
high-school
1
answer
4
votes
144k
views
A student attempted to identify an unknown compound by the method used in this experiment. Which method is commonly used in compound identification? a) Titration b) Filtration c) Distillation d) Evaporation
Elliott Darfink
asked
Oct 4, 2024
by
Elliott Darfink
7.4k
points
Chemistry
high-school
1
answer
5
votes
23.0k
views
Which chemical method oxidizes cell components and is used in bleach? a) Aldehydes b) Alcohols c) Peroxygens d) Halogens
Telexx
asked
Oct 4, 2024
by
Telexx
8.3k
points
Chemistry
high-school
1
answer
5
votes
111k
views
How much heat must be added to 5.0 g of solid lead at 30.°C to convert it to liquid lead at the melting point? a. 12.3 J b. 62.1 J c. 52.0 J d. 25.8 J
Tanmoy Bhattacharjee
asked
Oct 4, 2024
by
Tanmoy Bhattacharjee
8.5k
points
Chemistry
high-school
1
answer
3
votes
192k
views
How many moles of nutrasweet, C14H18N2O5, are present in 23.6 grams of nutrasweet?
Axelbrz
asked
Oct 4, 2024
by
Axelbrz
7.8k
points
Chemistry
high-school
1
answer
2
votes
48.3k
views
0. 090 moles of sodium sulfate is dissolved in a 12 ml solution. What is the molarity of the solution?
Raftalks
asked
Oct 4, 2024
by
Raftalks
8.2k
points
Chemistry
high-school
1
answer
5
votes
182k
views
Which amongst the following is the most commonly used raw material for making plastic water bottles? A. Rayon B. PET C. Nylon D. Cotton
Anthales
asked
Oct 4, 2024
by
Anthales
8.3k
points
Chemistry
high-school
1
answer
5
votes
20.9k
views
11. What are the steps to follow for proper sanitation for a manicure
Dolph
asked
Oct 4, 2024
by
Dolph
9.2k
points
Chemistry
college
1
answer
0
votes
96.7k
views
What type of reactions do these combinations yield: Iron and copper (II) sulfate solution Lead (II) Nitrate and potassium iodide solutions Magnesium metal and hydrochloric acid solution Electrolysis of
Lycono
asked
Oct 4, 2024
by
Lycono
8.8k
points
Chemistry
high-school
1
answer
5
votes
42.7k
views
Which of these elements is a noble gas? O Oxygen (0) O Nitrogen (N) O Argon (Ar) O Chlorine (CI)
Unfrev
asked
Oct 4, 2024
by
Unfrev
8.0k
points
Chemistry
college
1
answer
1
vote
57.6k
views
A pure copper sphere has a radius 0.939 in .--------------
Dykam
asked
Oct 4, 2024
by
Dykam
7.6k
points
Chemistry
high-school
1
answer
4
votes
200k
views
In the school lab, Carlos mixed two clear liquids together and began to stir. Within three minutes, the test tube got exceptionally hot and a yellow-orange gas started forming above the liquid. Within
Beltouche
asked
Oct 4, 2024
by
Beltouche
7.5k
points
Chemistry
college
1
answer
3
votes
75.8k
views
the nucleus of a deuterium atom ____ exhibit nuclear spin, yet will absorb rf radiation over a ____ range of frequencies than do protons. therefore, the nucleus of a deuterium atom ___ produce a signal
Omer Eldan
asked
Oct 4, 2024
by
Omer Eldan
7.7k
points
Chemistry
high-school
1
answer
5
votes
40.7k
views
What is an activated complex?
Perrier
asked
Oct 4, 2024
by
Perrier
7.9k
points
Chemistry
college
1
answer
5
votes
39.1k
views
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