Recent questions in Chemistry

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A student goes through seven class periods in school. Each period lasts 61 minutes. How many hours does he spend in class per week?

Safwan asked Jul 4, 2023

by Safwan

3.0k points

1 answer

36 votes

333k views

Calculate the approximate volume of a 0.500 mol sample of gas at 15°C and a pressure of 1.10 atm.

Pirkka Esko asked Jul 4, 2023

by Pirkka Esko

2.8k points

2 answers

16 votes

369k views

Pls Help ASAP! 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of potassium oxide (K2O) will be produced? O 10 grams O 7 grams O

Manil asked Jul 4, 2023

by Manil

2.9k points

2 answers

36 votes

441k views

A student needs to prepare 50.0 mL of a 1.10 M aqueous H2O2 solution. Calculate the volume of 4.8 M H2O2 stock solution that should be used to prepare the solution. Volume: __________ mL

SalmaFG asked Jul 4, 2023

by SalmaFG

3.1k points

1 answer

40 votes

178k views

Since models are representations, they have limits on how precisely they describe reality. Consider your model. What approximations or assumptions does your model contain? How does each one limit your

LearningMonk asked Jul 4, 2023

by LearningMonk

2.4k points

1 answer

45 votes

352k views

What's the name of this molecule?

Behzad Ebrahimi asked Jul 4, 2023

by Behzad Ebrahimi

2.7k points

1 answer

45 votes

136k views

True or False. In a parallel circuit, the voltage is the same anywhere in the circuit. True False 4. Fill in the blank. Conductors have a _______ resistance. low high

DroidBomb asked Jul 4, 2023

by DroidBomb

3.3k points

2 answers

43 votes

317k views

A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 6% vinegar, and the second brand contains 11% vinegar. The chef wants to make 290 millimeters of a dressing

Luca De Feo asked Jul 4, 2023

by Luca De Feo

3.3k points

1 answer

43 votes

29.7k views

You need to produce 500.0 g of lithium oxide, using the following unbalanced equation:: Li + O2 Li2O This reaction has an 86% yield. A. Determine the smallest mass of Lithium you would need to start.B.

Shatiz asked Jul 4, 2023

by Shatiz

3.1k points

1 answer

9 votes

239k views

When benzene is treated with methyl chloride and aluminum trichloride under conditions that favor trialkylation, one major product is obtained

Dan Passaro asked Jul 4, 2023

by Dan Passaro

2.3k points

1 answer

3 votes

48.2k views

Before writing the total ionic equation one should always balance the molecular equation . Group of answer choices True False

Hassan Khallouf asked Jul 4, 2023

by Hassan Khallouf

2.5k points

1 answer

34 votes

144k views

ASAP PLEASEEEEE HELP Leaving the doors open while the air conditioner is on in a home represents? A. an loop system B. an open system C. an closed system D. an isolated system

Wandaliz asked Jul 4, 2023

by Wandaliz

2.7k points

2 answers

12 votes

534k views

How many moles of N2 in 57.1 g of N2?

Munawar asked Jul 4, 2023

by Munawar

2.4k points

1 answer

8 votes

442k views

What allows co2 to mix quickly into the top 100 feet of water from the atmosphere?

Avdhesh Parashar asked Jul 4, 2023

by Avdhesh Parashar

2.8k points

1 answer

21 votes

266k views

What type of bonding does Ammonia and Potassium chloride have? Draw The Compounds

AGML asked Jul 4, 2023

by AGML

2.7k points

1 answer

11 votes

466k views

What does the latent heat of vaporization represent? A. The amount of energy required to turn a mole of a solid into a gas B. The amount of energy required to turn a mole of a solid into a liquid OC. The

Shouya asked Jul 4, 2023

by Shouya

2.8k points

2 answers

6 votes

179k views

the energy in a system becomes less usable when entropy increases. decreases. fluctuates. remains the same.

Random Davis asked Jul 4, 2023

by Random Davis

2.8k points

1 answer

42 votes

262k views

The question that I have is in the photo

Renette asked Jul 4, 2023

by Renette

3.0k points

1 answer

33 votes

484k views

What does rows represent on the periodic table

Ryanmrubin asked Jul 4, 2023

by Ryanmrubin

2.3k points

1 answer

26 votes

28.0k views

Fill in the blanks Mitosis ________________ basic phases 1. ______________ 2. ______________ 3. ______________ 4. ______________ Occurs in a strict sequential order called the ________________ Produces

Mello asked Jul 4, 2023

by Mello

2.4k points

1 answer

39 votes

23.3k views

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