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Recent questions in Chemistry
Why does SiCl4 form a covalent bond
Torandi
asked
Oct 2, 2024
by
Torandi
8.3k
points
Chemistry
college
1
answer
5
votes
32.5k
views
Determine the axis of symmetry for the function f(x) = 5(x - 1)² - 8. a) x = -8 b) x = 8 c) x = -1 d) x = 1
Alan Ocallaghan
asked
Oct 2, 2024
by
Alan Ocallaghan
8.8k
points
Chemistry
high-school
1
answer
3
votes
183k
views
A sample of gas occupies 3.25 atm with 625 K present. What would happen to the temperature if the pressure is increased to 12.5 atm? A. It increases. B. It decreases. C. It remains constant. D. It fluctuates.
Mike Bynum
asked
Oct 2, 2024
by
Mike Bynum
8.7k
points
Chemistry
high-school
1
answer
3
votes
200k
views
Which polymer used to make car tires? A. polystyrene B. tetrafluoroethylene C. polypropylene D. isobutylene
Jonatjano
asked
Oct 2, 2024
by
Jonatjano
8.5k
points
Chemistry
high-school
1
answer
2
votes
196k
views
When an electron is added to an atom
Ori Yarden PhD
asked
Oct 2, 2024
by
Ori Yarden PhD
8.4k
points
Chemistry
high-school
1
answer
4
votes
181k
views
Isopeptide bonds can form between the ________. 1) amino acids 2) nucleotides 3) carbohydrates 4) lipids
Marcogmonteiro
asked
Oct 2, 2024
by
Marcogmonteiro
7.4k
points
Chemistry
high-school
1
answer
5
votes
99.1k
views
What is the mass of a 0.230 mole sample of potassium metal?
Llazar
asked
Oct 2, 2024
by
Llazar
7.4k
points
Chemistry
college
1
answer
0
votes
165k
views
The following substance (C₆H₅NH₂) dissociates in water as shown in the below balanced equation: C₆H₅NH₂ → Products What are the products of the dissociation of C₆H₅NH₂? a) C₆H₅N + H₂ b) C₆H₆ + NH₃ c) C₆H₆
Hicolour
asked
Oct 2, 2024
by
Hicolour
8.4k
points
Chemistry
high-school
1
answer
4
votes
133k
views
For the following reaction, nh4hs(s)⇌nh3(g) H₂S(g), what is the equilibrium expression? 1) Kc = [NH₃][H₂S]/[NH₄⁺HS] 2) Kc = [NH₄⁺HS]/[NH₃][H₂S] 3) Kc = [NH₃][H₂S] 4) Kc = [NH₄⁺HS]
Roger Dodger
asked
Oct 2, 2024
by
Roger Dodger
8.2k
points
Chemistry
high-school
1
answer
2
votes
214k
views
The experimentally determined rate law for the reaction 2 NO(g) + 2 H₂(g) → N₂(g) + 2 H₂O(g) is: Rate = k [NO]²[H₂] What are the reaction orders in this rate law?
Karl Der Kaefer
asked
Oct 2, 2024
by
Karl Der Kaefer
7.8k
points
Chemistry
high-school
1
answer
1
vote
87.3k
views
Please help! - Which of the following compound is insoluble in water? A. BaS B. Hg2Cl2 C. MgSO4 D. (NH4)2CO3 E. All of these compounds are soluble in water. thank you :)
ZJorge
asked
Oct 2, 2024
by
ZJorge
8.6k
points
Chemistry
college
2
answers
4
votes
140k
views
How many moles of aluminum are needed to react completely with 1.2 mol of FeO? 2 Al(s) + 3 FeO(s) → 3Fe(s) + Al2O2(s)
Giuseppe Guerrini
asked
Oct 2, 2024
by
Giuseppe Guerrini
8.1k
points
Chemistry
high-school
1
answer
5
votes
57.8k
views
Read each example in the left column of the chart. Then, choose a term from the list below the chart that best matches each example. Each term may be used more than once. Examples: Matching term: Humans
Vedran Pavic
asked
Oct 2, 2024
by
Vedran Pavic
7.9k
points
Chemistry
high-school
1
answer
4
votes
175k
views
If you increase the amount of fiber in a product, the total carbs in the product A. Multiplies B. Increases C. Stays the same D. Decreases
Mitsi
asked
Oct 2, 2024
by
Mitsi
9.0k
points
Chemistry
college
1
answer
2
votes
109k
views
A reaction between phosphorus, Pa, and an excess oxygen produces tetraphosphorus decoxide. If 74.3 g phosphorus is used, how many grams of tetraphosphorus decoxide will be produced? Write and balance the
Charles Pehlivanian
asked
Oct 2, 2024
by
Charles Pehlivanian
7.9k
points
Chemistry
high-school
1
answer
4
votes
125k
views
What do we determine from volume and molarity of titrant and stoichiometry of the reaction?
Pubudu Jayasanka
asked
Oct 2, 2024
by
Pubudu Jayasanka
7.2k
points
Chemistry
high-school
1
answer
4
votes
152k
views
How much is heavy whipping cream as a drink base?
Aanton
asked
Oct 2, 2024
by
Aanton
7.6k
points
Chemistry
high-school
1
answer
1
vote
197k
views
A solution contains 50g of common salt in 450g of water. calculate the concentration of the solution.
EduSanCon
asked
Oct 2, 2024
by
EduSanCon
8.5k
points
Chemistry
high-school
1
answer
2
votes
186k
views
Which of the following is NOT part of a chemical spill kit A. Biohazard bags to contain waste B. Absorbent material C. Chemically resistant gloves D. Safety glasses or goggles
Mohammad Arif
asked
Oct 2, 2024
by
Mohammad Arif
8.2k
points
Chemistry
high-school
1
answer
0
votes
198k
views
What is the mass percent of 47.2g C₁₂H₂₂O₁₁ in 508g of H₂O?
Pavel Agarkov
asked
Oct 2, 2024
by
Pavel Agarkov
7.8k
points
Chemistry
high-school
1
answer
3
votes
142k
views
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