Recent questions in Chemistry

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Explain structure of the product from reductive ozonolysis of 1,2-dimethykcyclhexene

Cxrodgers asked Dec 27, 2024

by Cxrodgers

8.4k points

1 answer

2 votes

166k views

The mass number of an element is ________

Kubuzetto asked Dec 27, 2024

by Kubuzetto

8.2k points

1 answer

0 votes

9.1k views

Steel shooting does not contain radioactive emissions referred to as a) Alpha particles b) Beta particles c) Gamma rays d) X-rays

Pommicket asked Dec 27, 2024

by Pommicket

7.8k points

1 answer

3 votes

183k views

In a battery, if the following oxidation-reduction reactions takes place normally: Mn2O₃ + ZnO ---> 2 MnO₂ + Zn What reaction would be taking place if you were recharging the battery? Select one: a.ZnO

Geekdeepak asked Dec 27, 2024

by Geekdeepak

8.4k points

1 answer

1 vote

58.1k views

What is the difference between Accuracy and Precision ?

Irudyak asked Dec 27, 2024

by Irudyak

7.6k points

1 answer

5 votes

105k views

Rank the equilibrium constants for these three reactions from largest to smallest Rank from largest to smallest. To rank items as equivalent, overlap them 1. K(CI) 2. K(Br) 3. K(I2) Largest _____ Smallest

Ahmad Abbasi asked Dec 27, 2024

by Ahmad Abbasi

8.2k points

2 answers

5 votes

61.2k views

Rank the following ionic compounds from greatest to least in lattice energy: CaO, MgO, CaCl₂, MgCl₂

Jeff Stewart asked Dec 27, 2024

by Jeff Stewart

8.8k points

1 answer

1 vote

146k views

Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? 1) decreasing the number of reactive molecules 2) altering the temperature within the cell to one appropriate

Chris Underdown asked Dec 27, 2024

by Chris Underdown

8.5k points

1 answer

0 votes

31.9k views

In the modern periodic table, elements are ordered (a) according to decreasing atomic mass. (b) according to Mendeleev's original design. (c) according to increasing atomic number. (d) based on when they

SuperCheezGi asked Dec 27, 2024

by SuperCheezGi

8.7k points

1 answer

0 votes

76.5k views

A tiny crystal of table salt (NaCl) contains 950. billion formula units of salt. What is the mass of this crystal, in grams? Chemical Formula: Work: Calculated answer: Molar mass: # sig figs: Final answer

Stutje asked Dec 27, 2024

by Stutje

8.4k points

1 answer

2 votes

117k views

When 724.0 J of heat are added to 102 g of a solid substance, the temperature of the solid increases by 44.2 K. What is the specific heat capacity of the solid?

AvadhP asked Dec 27, 2024

by AvadhP

8.0k points

1 answer

0 votes

103k views

A chemist reacted 17.25 grams of sodium metal with an excess amount of chlorine gas to produce sodium chloride (NaCl). If the percentage yield of the reaction is 88%, what is the actual yield? a) 18.96

Priyshrm asked Dec 27, 2024

by Priyshrm

8.2k points

1 answer

2 votes

38.3k views

In the formation of sodium chloride, sodium__electrons and chlorine__electrons

Ruchit asked Dec 27, 2024

by Ruchit

8.2k points

1 answer

4 votes

233k views

What is the significance of shortening the fatty acid by one carbon in α-oxidation?

Mansoor Akram asked Dec 27, 2024

by Mansoor Akram

8.3k points

1 answer

0 votes

104k views

For each of the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 17.9 g of the second reactant. Na2CO3(aq)+CuCl2(aq)→CuCO3(s)+2NaCl

JuanPablo asked Dec 27, 2024

by JuanPablo

8.5k points

1 answer

1 vote

78.1k views

What gas has the highest refractive index?

Hugronaphor asked Dec 27, 2024

by Hugronaphor

7.1k points

1 answer

1 vote

31.2k views

Is a solution a homogeneous mixture or a heterogeneous mixture? Explain your answer. (1 point)

Anthony Bobenrieth asked Dec 27, 2024

by Anthony Bobenrieth

8.3k points

1 answer

3 votes

78.8k views

Boron cannot form which one of the following anions? a. BF₆³⁻ b. BH₄⁻ c. B(OH)₄⁻ d. BO₂⁻

Pal Szasz asked Dec 27, 2024

by Pal Szasz

8.1k points

1 answer

1 vote

33.1k views

HBrO2 is a stronger acid than HBrO because HBrO2 has more oxygen atoms bonded to bromine. A. True B. False

Xtds asked Dec 27, 2024

by Xtds

7.6k points

1 answer

2 votes

29.0k views

This atom can form up to _____ single covalent bond(s). A. 1 B. 0 C. 4 D. 3 E. 2

Dave Durbin asked Dec 27, 2024

by Dave Durbin

8.6k points

1 answer

2 votes

140k views

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