Recent questions in Chemistry

Question

For a given metal ion, color depends on the

MikaelF asked Oct 10, 2024

by MikaelF

7.2k points

1 answer

1 vote

107k views

The mass of 0.32 moles of CaCO3 is equal to? A. 19.2 grams B. 32 grams C. 64 grams D. 96 grams

Don Bright asked Oct 10, 2024

by Don Bright

8.1k points

1 answer

4 votes

145k views

Select the correct answer. How does substituting a hydrogen atom with a halogen in a hydrocarbon affect the resulting compound? A. All the single bonds in the original molecule change to double bonds.

Jymdman asked Oct 10, 2024

by Jymdman

8.5k points

2 answers

0 votes

79.9k views

Find the mass, in grams, of 5.00*10²³ molecules of F₂

Sconfluentus asked Oct 10, 2024

by Sconfluentus

8.3k points

1 answer

1 vote

37.3k views

from the gc data, assign the signals to 1-methylcyclohexene, 3-methylcyclohexene and/or 4-methylcyclohexene. how were the assignments made?

Smallbutton asked Oct 10, 2024

by Smallbutton

7.7k points

1 answer

0 votes

233k views

Co(II) was used as an internal standard to analyze a sample of Ti(IV) with atomic absorption spectroscopy (AAS). A standard mixture containing 1.50 μgCo/mL and 1.40μg Ti/mL measured by AAS produced a signal-to-signal

Tomo Huynh asked Oct 10, 2024

by Tomo Huynh

8.7k points

1 answer

2 votes

20.4k views

The PSII reaction center, also known as P680, _____________. (1) absorbs light most strongly at 680 nm (2) reflects light most strongly at 680 nm (3) absorbs light most weakly at 680 nm (4) reflects light

Sandeep Modak asked Oct 10, 2024

by Sandeep Modak

7.6k points

1 answer

5 votes

12.9k views

As the temperature of a gas decreases is volume

Fbessho asked Oct 10, 2024

by Fbessho

8.0k points

2 answers

4 votes

196k views

A soda can was left out in the sun all day. Originally the can was at room temperature, 295 K, and had an internal pressure of 3.56 atm. If the temperature reduces to 280.92 K, what is the new pressure?

Aseem Goyal asked Oct 10, 2024

by Aseem Goyal

8.0k points

1 answer

5 votes

44.2k views

What is the molarity of a solution that contains 4.70 moles of a solute in 750.0 {mL} of solution?

Doug Molineux asked Oct 10, 2024

by Doug Molineux

8.2k points

1 answer

5 votes

62.3k views

When phenol is treated with the exces s bromine water it gives

Harden asked Oct 10, 2024

by Harden

7.9k points

2 answers

5 votes

162k views

Describe neutrality and relative acidity and alkalinity in terms of pH measured using Universal Indicator paper (whole numbers only)

Sterling Christensen asked Oct 10, 2024

by Sterling Christensen

6.8k points

1 answer

0 votes

87.6k views

During interphase, DNA is referred to as which of the following? A. histones B. chromatin C. nucleosomes D. chromosomes E. sister chromatids

Ipalibowhyte asked Oct 10, 2024

by Ipalibowhyte

8.2k points

1 answer

0 votes

48.4k views

If a wine fortified during the fermentation process, will the wine be sweet or dry?

Yinyueyouge asked Oct 10, 2024

by Yinyueyouge

8.0k points

1 answer

5 votes

32.5k views

It’s cold outside and you decide to cook some pasta. As you boil the noodles, the kitchen window begins to fog up. Which processes are at work here?

Prusse asked Oct 10, 2024

by Prusse

8.2k points

1 answer

3 votes

142k views

which equation best describes calcium chloride when it dissociates? group of answer choices cacl2 (s) ca2 (aq) cl21- (aq) cacl2 (s) ca2 (aq) 2 cl1- (aq) cacl (s) ca1 (aq) cl1- (aq) cacl2 (s) ca2 (aq) cl22-

Atrotors asked Oct 10, 2024

by Atrotors

7.2k points

1 answer

3 votes

119k views

Could the color produced in the flame be due to the presence of chlorine in the compound and not the other element? How do you know?

Murlakatam asked Oct 10, 2024

by Murlakatam

8.0k points

1 answer

4 votes

199k views

How many grams of Cu(oh)2 will precipitate when excess Ba(oh)2 solution is added to 43.0 mL of 0.715 M CuSO4 solution?

For Comment asked Oct 10, 2024

by For Comment

8.4k points

1 answer

4 votes

11.7k views

Do all organism have a form of waste removal

Kelly Bundy asked Oct 10, 2024

by Kelly Bundy

7.7k points

1 answer

5 votes

48.6k views

Which of the following 0.500 M solutions will be the most conductive? Choose all that apply. A. Sodium chloride B. Acetic acid C. Methanol D. Dextros

RWAM asked Oct 10, 2024

by RWAM

8.0k points

1 answer

1 vote

68.9k views

Page:

« prev
1
...
865
866
867
868
869
870
871
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions