Recent questions in Chemistry

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I donty know how to do this what are they

Nithesh Narayanan asked Dec 19, 2024

by Nithesh Narayanan

7.5k points

2 answers

2 votes

175k views

Chemistry help please

Amin Ghasemi asked Dec 19, 2024

by Amin Ghasemi

8.4k points

1 answer

5 votes

26.9k views

Write balanced chemical equation for the following statements and state the colour changes you observe. i) Iron nail is kept immersed in copper sulphate solution. ii) Potassium iodide solution is added

Haresh Ghatala asked Dec 19, 2024

by Haresh Ghatala

7.0k points

1 answer

4 votes

78.6k views

The primary low pH reducing agent in acid waves is? 1) Ammonium thioglycolate 2) Ammonium persulfate 3) Hydrogen peroxide 4) Sodium hydroxide

TylerW asked Dec 19, 2024

by TylerW

7.9k points

1 answer

5 votes

119k views

Calculate the molar solubility of barium fluoride (BaF2). For barium fluoride, Ksp=2.45×10−5.

Sinan ILYAS asked Dec 19, 2024

by Sinan ILYAS

7.9k points

1 answer

3 votes

156k views

Based on its position in the periodic table of the elements, how many valence electrons does magnesium (atomic number 12) have?

Dli asked Dec 19, 2024

by Dli

8.5k points

1 answer

0 votes

174k views

Which of the following pairs could form a buffer? 1) C6H5COOH and C6H5COONa 2) HCl and NaCl 3) HCl and NaOH 4) NH₃ and H3BO₃

Moloud Ayat asked Dec 19, 2024

by Moloud Ayat

7.8k points

1 answer

1 vote

66.6k views

Protons are ripped out of a lead atom What have you done?

Miss Rosy asked Dec 19, 2024

by Miss Rosy

8.0k points

1 answer

2 votes

202k views

Perfectly rigid containers each hold n moles of ideal gas, one being ∇ Part A hydrogen (H 2 ) and other being neon (Ne). If it takes 300 J of heat to increase the temperature of the hydrogen by 3.30

Larry Lane asked Dec 19, 2024

by Larry Lane

8.0k points

2 answers

3 votes

185k views

Which element is most likely to react with Cl? Kr O Br L

Gmazzo asked Dec 19, 2024

by Gmazzo

8.5k points

1 answer

2 votes

159k views

Compounds have fixed compositions whereas mixtures vary in composition?

Noelia asked Dec 19, 2024

by Noelia

8.6k points

1 answer

0 votes

178k views

Label each reactant and product in this reaction as a bronsted acid or base. CH₃OH +OH⁻ ⇋ CH₃O⁻ +H₂O

Shmoula asked Dec 19, 2024

by Shmoula

7.7k points

1 answer

3 votes

9.7k views

Procedure Remember this is a virtual lab. You do not need to actually perform these steps, but follow along and collect the data! 1. Measure out 100 mL of water into three beakers and label them A, B,

Hell asked Dec 19, 2024

by Hell

7.5k points

1 answer

1 vote

206k views

Fats and oils contain mixtures of various fatty acids. Which of the following fats and oils are high in saturated fatty acids? a) Olive oil b) Coconut oil c) Flaxseed oil d) Canola oil

Crake asked Dec 19, 2024

by Crake

8.6k points

1 answer

3 votes

16.9k views

What kind of compounds tend to be hard, brittle, have high melting points, high boiling points, and conduct electricity when they are dissolved in water? A. Covalent B. Ionic C. Polar covalent D. Metallic

Edgarian asked Dec 19, 2024

by Edgarian

7.8k points

1 answer

5 votes

24.9k views

The mass of an evacuated 250 ml flask is 143.147 g. The mass of the flask filled with 263 torr of an unknown gas at 25°C is 144.147 g. Calculate the molar mass of the unknown gas.

Ines asked Dec 19, 2024

by Ines

8.2k points

1 answer

5 votes

19.4k views

Calculate the solubility at 25 °C of Zn(OH), in pure water and in a 0.0050 M ZnSO₄ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits.

Sean Payne asked Dec 19, 2024

by Sean Payne

8.9k points

1 answer

5 votes

144k views

What is the Normality of a solution composed of 5.85 g of KBr in 125 cm³? a. 2.34 N b. 0.936 N c. 0.234 N d. 4.68 N

Jash Parekh asked Dec 19, 2024

by Jash Parekh

8.4k points

1 answer

1 vote

215k views

write an equatation that represents the proportional relationship between oil and vinegar. indicate the meaning of each veriable.

Sumit Jadiya asked Dec 19, 2024

by Sumit Jadiya

8.5k points

1 answer

4 votes

216k views

Movement of sodium through its channels is primarily responsible for the ___ of an action potential.

Espinosa asked Dec 19, 2024

by Espinosa

8.0k points

1 answer

3 votes

193k views

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