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Recent questions in Chemistry
In the chemical equation 2AlCl₃(aq) + 3Pb(NO₃)₂(aq) → 3PbCl₂(s) + 2Al(NO₃)₂(aq), the spectator ions are ___________________ₐnd ____________________. a. Na+; Cl- b. K+; NO₃- c. Al₃+; NO₃- d. Pb₂+; Cl-
Chirs
asked
Dec 17, 2024
by
Chirs
9.1k
points
Chemistry
high-school
1
answer
3
votes
219k
views
A solution is made by dissolving 12.8 g of sodium carbonate (Na₂CO₃) in enough water to make 325 mL of solution. The concentration of sodium carbonate in the solution is: A. 0.121 M B. 0.372 M C. 0.0393
MacGucky
asked
Dec 17, 2024
by
MacGucky
7.5k
points
Chemistry
high-school
1
answer
4
votes
202k
views
6.) In which reaction below is mass converted to energy by the process of fission? (a) ¹4/N + 'n → ¹4 ( + ', H 7 (b) 235 U+√n → Br+14% 0% Lat 3 ón 146. 57 35 + 88 Ra Ra He 222 86 → и (d) ² H + ² H → ²₂
Adam Lukaszczyk
asked
Dec 17, 2024
by
Adam Lukaszczyk
8.2k
points
Chemistry
college
1
answer
1
vote
217k
views
Select the ion(s) that is/are found in high concentrations inside normal nerve cells. 1) Na⁺ 2) K⁺ 3) two of these 4) Ca₂⁺
Ben Holness
asked
Dec 17, 2024
by
Ben Holness
8.0k
points
Chemistry
high-school
1
answer
4
votes
959
views
Using the rules of chemical notation, write the molecular formula for glucose, a compound composed of 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms." a) C₆H₆O₆ b) C-6H₁₂O-6 c) C₁₂H-6O₁₂ d) C-1-8H
PERPO
asked
Dec 17, 2024
by
PERPO
8.1k
points
Chemistry
high-school
1
answer
3
votes
99.6k
views
What does the clear plastic covering represent in the lab set up? list all layers .
Metalik
asked
Dec 17, 2024
by
Metalik
7.8k
points
Chemistry
high-school
1
answer
2
votes
24.9k
views
When the immune system detects a pathogen in the body, the cells respond.
Chanaka Amarasinghe
asked
Dec 17, 2024
by
Chanaka Amarasinghe
7.8k
points
Chemistry
college
1
answer
0
votes
72.2k
views
A chemical reaction occurred in a closed container. Which is true of the equation of the reaction as shown below: N2 + 3H2 -> 2NH3 Option 1: A. The mass and molecules of the reactants equal the mass and
Peter Maydell
asked
Dec 17, 2024
by
Peter Maydell
8.4k
points
Chemistry
high-school
1
answer
2
votes
213k
views
How many chloride ions are there in 7.50 mol of aluminum chloride?
Ijse
asked
Dec 17, 2024
by
Ijse
8.1k
points
Chemistry
college
1
answer
2
votes
173k
views
Racism is belief in A) the biological classification of people. B) superiority of some groups because of racial identity. C) inferiority of other groups because of racial identity. D) All of the above.
Blispr
asked
Dec 17, 2024
by
Blispr
7.9k
points
Chemistry
high-school
1
answer
4
votes
159k
views
Which of the following statements about the components of an atom are correct? 1. Number 4 is a neutron. 2. Number 1 is an electron. 3. Number 1 has a positive charge. 4. Number 3 is either positive or
Adam Beck
asked
Dec 17, 2024
by
Adam Beck
7.8k
points
Chemistry
high-school
1
answer
5
votes
101k
views
The pH of Windex was measured to be 12.50. The hydroxide concentration is: A. 0.18 mol/L B. 3.2 x 10^-2 mol/L C. 3.2 x 10^-13 mol/L D. 1.1 mol/L
Tammia
asked
Dec 17, 2024
by
Tammia
8.4k
points
Chemistry
high-school
1
answer
2
votes
188k
views
Give the symbol of the element described: Group 4A (14), Period 2
Martita
asked
Dec 17, 2024
by
Martita
8.3k
points
Chemistry
high-school
2
answers
5
votes
213k
views
Four samples of gas have a total pressure of 2.4 atm. If Gas A has a pressure of 0.8 atm, gas B has a pressure of 0.6 atm, gas C has a pressure of 0.4 atm. What is the pressure of gas D?
Aditya Mehta
asked
Dec 17, 2024
by
Aditya Mehta
8.6k
points
Chemistry
high-school
1
answer
4
votes
58.7k
views
What mass of water is produced when a car burns 246.4 g of methane? A) 324 g B) 492 g C) 288 g D) 180 g
English
asked
Dec 17, 2024
by
English
7.4k
points
Chemistry
high-school
1
answer
1
vote
65.1k
views
Products for glucose and oxygen
Brett Donald
asked
Dec 17, 2024
by
Brett Donald
7.5k
points
Chemistry
college
1
answer
0
votes
164k
views
If 10.81g of N₂H₄ is used, what mass of nitrogen produced? 2N₂H₄(l) + NaO₄(l) → 3N₂(g) + 4H₂O(l)
CashCow
asked
Dec 17, 2024
by
CashCow
7.9k
points
Chemistry
high-school
1
answer
2
votes
182k
views
in the reaction scheme, ch3coh reacts with naoh to produce ch3co minus na plus and h2o. an o atom is double-bonded to the second (from left to right) carbon of ch3coh and ch3co minus na plus. acid-base
Anyavacy
asked
Dec 17, 2024
by
Anyavacy
7.8k
points
Chemistry
high-school
1
answer
3
votes
173k
views
This chemical equation represents a chemical reaction. H₂SO4 + 2LIOH Li₂SO4 + 2H₂O Which two chemicals are the products of the chemical reaction shown? A. H₂SO4 B. H₂0 C. Li₂SO4 D. LIOH
I Stevenson
asked
Dec 17, 2024
by
I Stevenson
8.2k
points
Chemistry
high-school
1
answer
2
votes
183k
views
What happened to people that were caught trying to leave the ghetto
Pmoule
asked
Dec 17, 2024
by
Pmoule
8.5k
points
Chemistry
high-school
1
answer
3
votes
138k
views
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