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Recent questions in Chemistry
Which of the following is considered a chemical change? Select all that apply. A) crumpling a piece of paper into a ball B) burning wood in a fireplace C) digesting a delicious sandwich D) crushing ice
Machineaddict
asked
Oct 4, 2024
by
Machineaddict
8.0k
points
Chemistry
high-school
1
answer
3
votes
216k
views
What is the mass in grams 52.9 moles of Xenon?
Stevenlacerda
asked
Oct 4, 2024
by
Stevenlacerda
7.5k
points
Chemistry
high-school
1
answer
0
votes
193k
views
Balance each of the following equations by writing the correct coefficient on the line. A blank line = 1 or you can put in the 1 that is fine. look at photo for reference
Joe Beuckman
asked
Oct 4, 2024
by
Joe Beuckman
8.5k
points
Chemistry
college
1
answer
3
votes
109k
views
The atomic mass of cooper metal is 63.6 amu. calculate the mass of 3.5 moles of cooper.
Ajeet Khan
asked
Oct 4, 2024
by
Ajeet Khan
8.1k
points
Chemistry
college
1
answer
3
votes
233k
views
Which ions are being produced by Phosphate Buffered Saline (PBS) process, assuming that each of the chemical compounds dissociates into their constituent parts once they are dissolved in water? a. Sodium
VHristov
asked
Oct 4, 2024
by
VHristov
7.9k
points
Chemistry
high-school
1
answer
4
votes
89.7k
views
What real world application of chemistry really shocked you in this section?
PeterG
asked
Oct 4, 2024
by
PeterG
7.7k
points
Chemistry
high-school
1
answer
0
votes
59.0k
views
What is the class equation of the dicyclic group of order 12? A) 1 + 1 + 1 + 1 + 2 + 6 B) 1 + 1 + 2 + 4 + 4 C) 1 + 1 + 1 + 3 + 6 D) 1 + 2 + 4 + 5
Saideep Arikontham
asked
Oct 4, 2024
by
Saideep Arikontham
7.6k
points
Chemistry
high-school
1
answer
3
votes
13.3k
views
silver has a density of 10.5 g/cm. if you have s silver cylinder with a mass of 145g and radius of 0.5cm, what is the height of the cylinder
Lavir The Whiolet
asked
Oct 4, 2024
by
Lavir The Whiolet
7.8k
points
Chemistry
high-school
1
answer
5
votes
183k
views
Which statement describes mechanical energy? the energy that is stored in chemical bonds the energy that is associated with temperature the sum of the kinetic energy and the potential energy of an object
Loriana
asked
Oct 4, 2024
by
Loriana
8.6k
points
Chemistry
high-school
1
answer
5
votes
89.3k
views
Looking at the solubility curve above for KClO3, at 30 degrees Celsius how many grams will dissolve to make a saturated solution?
Lowkase
asked
Oct 4, 2024
by
Lowkase
8.3k
points
Chemistry
high-school
1
answer
3
votes
155k
views
Which factor does not influence whether a substance will be a liquid at room temperature and normal atmospheric pressure? O molecular mass O surface tension O molecular shape O strength of intermolecular
Stib
asked
Oct 4, 2024
by
Stib
8.0k
points
Chemistry
college
2
answers
5
votes
146k
views
Which of these species make an isoelectronic pair: CI⁻, O², F, Ca²⁺, Fe³⁺? A. Ca²⁺ and Fe³⁺ B. O²⁻ and F C. F and CI⁻⁶ D. CI⁻ and Ca²⁺ E none of the above.
Zpangwin
asked
Oct 4, 2024
by
Zpangwin
7.6k
points
Chemistry
high-school
1
answer
0
votes
57.0k
views
which statement is true for a 0.10 m solution of hcl? group of answer choices [h3o ]eq > 0.10 m [h3o ]eq < 0.10 m [h3o ]eq
Alfe
asked
Oct 4, 2024
by
Alfe
8.0k
points
Chemistry
high-school
1
answer
2
votes
98.2k
views
Calculate the mass of grams of .045 moles of Cr
Soheil Alizadeh
asked
Oct 4, 2024
by
Soheil Alizadeh
8.3k
points
Chemistry
high-school
1
answer
2
votes
46.6k
views
You need to make 1.25 L of 0.850 M sodium hydroxide. What volume of a 6.0 M stock solution do you need to measure out?
Freakyuser
asked
Oct 4, 2024
by
Freakyuser
9.0k
points
Chemistry
high-school
1
answer
2
votes
134k
views
What is the total number of moles of NO produced when 1 mole of O2 is completely consumed? A) 2 moles B) 3 moles C) 4 moles D) 6 moles
Ojomio
asked
Oct 4, 2024
by
Ojomio
8.6k
points
Chemistry
high-school
1
answer
1
vote
204k
views
Hydrogen Gas (H₂) Titanium (Ti) 3 points Demonstrate your ability to differentiate between mixtures and pure substances. Which of the following is considered a mixture? Cl isopropyl alcohol (C3H8O) fruit
Balu
asked
Oct 4, 2024
by
Balu
8.4k
points
Chemistry
college
1
answer
1
vote
49.1k
views
What volume of hydrogen gas is produced when 49.1 g of iron reacts completely according to the following reaction at 25 °C and 1 atm?
Jongwon
asked
Oct 4, 2024
by
Jongwon
8.0k
points
Chemistry
high-school
1
answer
3
votes
105k
views
Which expression represents the phrase "14 more than a number times 16"? a 14 x 16 b 14n + 16 c 14 + n+ 12 d 14n +12
Giorgi Gvimradze
asked
Oct 4, 2024
by
Giorgi Gvimradze
7.7k
points
Chemistry
high-school
1
answer
5
votes
54.5k
views
The lowest temperature ever recorded at Oymyakon in Russia was 96.2°F below 0°F. The lowest temperature ever recorded at Prospect Creek in Alaska was 80°F below 0°F. The thermometer reading of the lowest
Yaquelin
asked
Oct 4, 2024
by
Yaquelin
8.2k
points
Chemistry
high-school
1
answer
4
votes
47.7k
views
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