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
siniylev [52]
3 years ago
7

A graduated cylinder has 100 mL of water in it. A rock is then placed in the cylinder

Chemistry
1 answer:
gulaghasi [49]3 years ago
8 0

Answer:

105-100=5 ,

{5cm}^{3 }

You might be interested in
16. The Nile River is a(n)<br> 16.<br> a. Old river<br> b. Mature river<br> C. Young river
horrorfan [7]

Answer:

I think it's a old river

Explanation:

4 0
3 years ago
D-Fructose is the sweetest monosaccharide. How does the Fischer projection of D-fructose differ from that of D-glucose? Match th
Aleks04 [339]

Answer:

aldehyde

carbon-1

ketone

carbon-2

Explanation:

Monosaccharides are colorless crystalline solids that are very soluble in water. Moat have a swwet taste. D-Fructose is the sweetest monosaccharide.

In the open chain form, monosaaccharides have a carbonuyl group in one of their chains. If the carbonyl group is in the form of an aldehyde group, the monosaccharide is an aldose; if the carbonyl group is in the form of a ketone group, the monosaccharide is known as a ketose. glucose is an aldose while fructose is a ketose.

In D-glucose, there is an aldehyde functional group, and the carbonyl group is at carbon-1 when looking at the Fischer projection.

In D-fructose, there is a ketone functional group, and the carbonyl group is at carbon-2 when looking at the Fischer projection.

6 0
3 years ago
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)→CaO(s)+CO2(
Mazyrski [523]
Answer is: <span>mass of calcium carbonate needed is 120 grams.
</span>Chemical reaction: CaCO₃(s) → CaO(s) + CO₂(g)<span>.
</span>V(CO₂) = 27.0 L.
Vm = 22.4 L/mol.
n(CO₂) = V(CO₂) ÷ Vm.
n(CO₂) = 27 L ÷ 22.4 L/mol.
n(CO₂) = 1.2 mol.
From chemical reaction: n(CO₂) : n(CaCO₃) = 1 : 1.
m(CaCO₃) = 1.2 mol.
m(CaCO₃) = n(CaCO₃) · M(CaCO₃).
m(CaCO₃) = 1.2 mol · 100 g/mol.
m(CaCO₃) = 120 g.
3 0
4 years ago
What types of elements- metals,
crimeas [40]

Answer:

Noble gases

Explanation:

The noble gases are non-metals that requires the highest amount of energy to remove an electron from their shells.

The reason for this difficult is that their electronic configuration confers a stable configuration them.

  • The ionization energy is the energy required to remove the most loosely held electrons in an atom.
  • Due to the special stability of noble gases, it is very difficult to remove electrons from an atom of noble gases.
7 0
3 years ago
In a single carbon bond, two carbon atoms share<br> pair of electrons.
torisob [31]

Answer:

<em>C-C</em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>

<em>A</em><em> </em><em>carbon</em><em> </em><em>has</em><em> </em><em>4</em><em> </em><em> </em><em>valence</em><em> </em><em>ele</em><em>ctrons</em><em> </em><em>meaning </em><em>it</em><em> </em><em>can</em><em> </em><em>share</em><em> </em><em>4</em><em> </em><em>electrons</em><em> </em><em>and</em><em> </em><em>is</em><em> </em><em>in</em><em> </em><em>short</em><em> </em><em>of</em><em> </em><em>4</em><em> </em><em>electr</em><em>ons</em><em> </em><em>to</em><em> </em><em>fill</em><em> </em><em>it</em><em> </em><em>outer</em><em> </em><em>energy</em><em> </em><em>shell</em><em> </em><em>making </em><em>it</em><em> </em><em>8</em><em>.</em><em> </em><em>Which</em><em> </em><em>resul</em><em>ts</em><em> </em><em>to</em><em> </em><em>2</em><em> </em><em>double</em><em> </em><em>covalent</em><em> </em><em>bonds</em><em> </em><em>,</em><em>meaning</em><em> </em><em>there</em><em> </em><em>was </em><em>a</em><em> </em><em>sharing</em><em> </em><em>of</em><em> </em><em> </em><em>2</em><em>(</em><em>4</em><em>)</em><em> </em><em>=</em><em> </em><em>8</em><em> </em><em>elect</em><em>rons</em><em> </em><em>.</em><em> </em><em> </em><em>Hope</em><em> </em><em>this</em><em> </em><em>help</em><em>s</em><em> </em><em>.</em><em> </em><em> </em><em> </em><em>Your</em><em> </em><em>state</em><em>ment</em><em> </em><em>above</em><em> </em><em>is</em><em> </em><em>true </em><em>.</em>

8 0
3 years ago
Other questions:
  • List at least three chemical innovations that improve or change your everyday life
    12·1 answer
  • You have a piece of gold and you cut it into smaller pieces. If you could continue cutting, you would eventually separate the go
    13·2 answers
  • What’s the compound name Mg2CL
    10·1 answer
  • The total number of atoms represented by the formula Fe3(PO4)2 is
    9·2 answers
  • A sample compound contains 5.723g Ag, 0.852g S and 1.695g O. Determine its empirical formula.
    11·2 answers
  • What is generally true about the particles in a liquid? a. They are closer together and have lower energy than the particles in
    5·2 answers
  • Why is soaking necessary for seed germination
    12·1 answer
  • 5. The number of moles of molecules in a 12.0-gram sample of Cl2 is
    10·2 answers
  • What is the molar concentration of 2.0 mol of KCl dissolved in 1000 mL of solution?
    7·1 answer
  • Please help i dont have much time cause i have to give it in soon :,)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!