1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Neko [114]
3 years ago
13

A certain quantity of matter is called WHAT?

Chemistry
2 answers:
Lerok [7]3 years ago
6 0
A certain quantity of matter is called mass.
Ierofanga [76]3 years ago
5 0
A certain qaunity of matter could be Mass
You might be interested in
Which of the following pairs of compounds would be most easily separated by thin layer chromatography: n-octyl alcohol and 1-oct
Naddika [18.5K]

Answer:

B. n-octyl alcohol and 1-octene

Explanation:

Thin-layer chromatography (TLC) is a chromatography technique used to separate non-volatile mixtures. The principle is that different compounds in the sample mixture travel at different rates due to the differences in interactions with stationary phase and due to the differences in solubility in the solvent. The principal chemical property for separation using this technique is molecular polarity

You can intuit than hexadecane and octadecane don't have big polarity differences, also chlorobenzene and bromobenzene haven't.

An alcohol as n-octyl alcohol has different polarity than an alkene as 1-octene.

Thus, using  thin layer chromatography is most easy to separate:

<em>B. n-octyl alcohol and 1-octene </em>

<em></em>

I hope it helps!

<em></em>

6 0
4 years ago
A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation.
PolarNik [594]

Answer:

eheheehehehszndn!jejxxnndrrjrrrfufurururufjththjrjrjdjjjrj\u\ujrjeejrjjjj carbon

4 0
2 years ago
Read 2 more answers
When 0.422g of phosphorus is burned, 0.967g of a white oxide is obtained.
nata0808 [166]
Moles = mass / molar mass 

<span>moles P = 0.422 g / 30.97 g/mol = 0.01363 mol </span>
<span>moles O = (0.967 g - 0.422g) / 16.00 g/mol = 0.03406 moles </span>

<span>So ratio moles P : moles O </span>
<span>= 0.01363 mol : 0.03406 mol </span>

<span>Divide each number in the ratio by the smallest number </span>

<span>(0.01363 / 0.01363) : (0.03406 / 0.01363) </span>
<span>= 1 : 2.5 </span>

<span>The empirical formula needs to be the smallest whole number ratio of atoms in the molecules. Since you have a non-whole number, multiply the ratio by the smallest number needed to make both number whole numbers. In this case x 2 </span>

<span>2 x (1 : 2.5) </span>
<span>= 2 : 5 </span>
5 0
3 years ago
Read 2 more answers
Which of the following metals is soluble in water with S2-?
Brut [27]

Strontium is soluble with s2-

6 0
3 years ago
Why do we have to write the background of the study​
lesya [120]

Answer:

Writing down background information can help you to remember what you learned and can be used for notes in the future when taking an assessment.

Explanation:

Can I get brainliest? It's for a challenge

6 0
3 years ago
Other questions:
  • Which of the following would naturally form a cation?<br> Ne<br><br> Li<br><br> O<br><br> I
    6·1 answer
  • Help please!!, It is URGENT
    15·2 answers
  • The statements that are most characteristic of league
    15·1 answer
  • The boiling point of water at sea level is 100 °
    12·1 answer
  • PLZ HELP ME ASAP IM TAKING AN EXAM :(
    6·2 answers
  • Explain why you can boil water in a pot without the pot also boiling
    15·1 answer
  • Why should we follow school rules
    11·2 answers
  • Alkali metals are extremely reactive because they
    12·2 answers
  • The compound chromium(II) chloride is a strong electrolyte. Write the transformation that occurs when solid chromium(II) chlorid
    5·1 answer
  • True or false In the periodic table, the atomic number is found above the chemical symbol.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!