menu
Qammunity.org
Recent questions in Chemistry
Login
Register
My account
Edit my Profile
Private messages
My favorites
Recent questions in Chemistry
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent questions in Chemistry
How many pumps are used for a Medium Iced 151 NRG? A) 2 pumps B) 3 pumps C) 4 pumps D) 5 pumps
Roman Semko
asked
Oct 12, 2024
by
Roman Semko
8.7k
points
Chemistry
high-school
1
answer
3
votes
184k
views
Which of the following functional groups would be expected to have a similar boiling point to a ketone of similar size? (choose all that apply) Carboxylic acid Ester Acyl chloride Anhydride Primary amide
Keerthi Kumar P
asked
Oct 12, 2024
by
Keerthi Kumar P
8.9k
points
Chemistry
college
1
answer
1
vote
219k
views
Only unopened individually packaged condiments are okay to re-serve? 1) True 2) False
Eric Geurts
asked
Oct 12, 2024
by
Eric Geurts
7.4k
points
Chemistry
high-school
1
answer
3
votes
180k
views
15.Which of the following is the most stable molecules? a. H2 b. O2 c. F2 d. N2
GerSua
asked
Oct 12, 2024
by
GerSua
8.0k
points
Chemistry
college
1
answer
0
votes
101k
views
At constant pressure, in which of the reactions is work done by the system on the surroundings? A. Hg(l) ---> Hg(s) B. 3 O₂(g) ---> 2 O₃(g) C. CuSO₄ x 5 H₂O(s) ---> CuSO₄(s) + 5 H₂O(g) D. H₂(g) + F₂(g)
Createscape
asked
Oct 12, 2024
by
Createscape
7.5k
points
Chemistry
high-school
1
answer
4
votes
233k
views
How much heat is needed to warm 250 g of water from 22 °C to 98 °C? The specific heat of water is 4.18 J/g K?
Arman Ebrahimpour
asked
Oct 12, 2024
by
Arman Ebrahimpour
9.0k
points
Chemistry
college
1
answer
3
votes
127k
views
In this same reaction, how many mols of ethanol are needed to use up 3.24 mols of oxygen? Balance the equation first C2H5OH+O2 −→ CO2+H2O
Lives
asked
Oct 12, 2024
by
Lives
8.1k
points
Chemistry
high-school
1
answer
2
votes
148k
views
4AlCl₃(s)+3O₂ (g)→2Al₂O₃ (s)+6Cl₂ (g);∆H=-529.0 kJ Determine ∆H for the following thermochemical equation. Cl₂ (g)+Al₂O₃ (s)→AlCl₃ (s)+O₂ (g) A. +264.5 kJ B. +529.0 kJ C. +88.2 kJ D. +176.3 kJ E. -176.
GreenOwl
asked
Oct 12, 2024
by
GreenOwl
8.2k
points
Chemistry
high-school
1
answer
4
votes
215k
views
Define the rule of law, including its importance in Western democratic societies?
Lucas Serafim
asked
Oct 12, 2024
by
Lucas Serafim
7.5k
points
Chemistry
high-school
1
answer
3
votes
112k
views
Your analyte is 0.2 liters. The equivalence point is reached by adding 0.4 liters of a 2 N base solution. Calculate the concentration of the analyte.
Djibe
asked
Oct 12, 2024
by
Djibe
7.6k
points
Chemistry
high-school
1
answer
1
vote
67.2k
views
Calculate the magnitude of force required to just move a 15kg object along a horizontal surgpface if the coefficient is 0.1
Halcyon
asked
Oct 12, 2024
by
Halcyon
7.9k
points
Chemistry
high-school
1
answer
4
votes
68.0k
views
Which of the following statements best explains how the energy in a photon of light is stored in a molecule of the sugar G3P? A. Light energy directly provides energy to RuBP and CO2, which produce G3P
Binny
asked
Oct 12, 2024
by
Binny
7.5k
points
Chemistry
high-school
1
answer
1
vote
102k
views
Complete the electron configuration of a calcium atom by selecting the correct orbitals.
Jiayu Zhang
asked
Oct 12, 2024
by
Jiayu Zhang
8.0k
points
Chemistry
high-school
1
answer
3
votes
179k
views
What is the likely pH of the clear, sour-tasting liquid? a. 0 b. 7 c. Below 7 d. Above 7
Dan Short
asked
Oct 12, 2024
by
Dan Short
7.6k
points
Chemistry
high-school
1
answer
0
votes
49.6k
views
Decide whether each proposed multiplication or division of measurements is possible. If it is possible, write the result in the last column of the table. 9.0 kg² / 1.0 kg = ? is it possible? or not.
Metaphor
asked
Oct 12, 2024
by
Metaphor
8.1k
points
Chemistry
high-school
1
answer
5
votes
218k
views
Neutrons Electrons Protons Protons Neutrons ons: in the boxes below, calculate protons, neutrons, and electrons then draw a Bohr model for element given. Electrons Protons Neutrons Electrons Protons Neutrons
Thomas Deutsch
asked
Oct 12, 2024
by
Thomas Deutsch
7.9k
points
Chemistry
college
1
answer
3
votes
23.0k
views
Which expression is equivalent to (f∘g)(5)? A. f(5)×g(5) B. f(5)∘g(5) C. 5 × f(5) D. 5 × g(5)
Peder Klingenberg
asked
Oct 12, 2024
by
Peder Klingenberg
8.7k
points
Chemistry
high-school
1
answer
2
votes
200k
views
All of the following physical conditions are symptoms of heat stroke, EXCEPT which one? (a) Rapid pulse (b) Pale skin (c) Profuse sweating (d) Confusion
Omphaloskopie
asked
Oct 12, 2024
by
Omphaloskopie
7.8k
points
Chemistry
high-school
1
answer
5
votes
178k
views
Consider this reaction involving an unknown element X. F, +2 XBr Brı + 2 XF When 2.700 g of XBr reacts, 1.504 g of Br, is produced. Calculate the molar mass of X, and then identify its element symbol
Testerab
asked
Oct 12, 2024
by
Testerab
8.0k
points
Chemistry
high-school
2
answers
3
votes
122k
views
Draw the Lewis structure for carbonate (CO 32− ). Does this molecule exhibit resonance? A) Yes B) No C) Sometimes D) Depends on conditions
Chris Geirman
asked
Oct 12, 2024
by
Chris Geirman
8.9k
points
Chemistry
high-school
1
answer
3
votes
173k
views
Page:
« prev
1
...
839
840
841
842
843
844
845
...
1000
...
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
Compare and contrast an electric generator and a battery??
What goal of the constitution was also a goal of the Magna Carta?
Who made dutch claims in north america?
Search Qammunity.org