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
Over [174]
2 years ago
9

The organic compounds that are structural elements in the cell walls of plants and bacteria are known as

Chemistry
1 answer:
ohaa [14]2 years ago
3 0
An organic compound that contains a carbonyl group with a cell wall. They are only found in plants and bacteria
You might be interested in
34. 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The solution's temperature increases
Digiron [165]

Answer:

ΔH = 2.68kJ/mol

Explanation:

The ΔH of dissolution of a reaction is defined as the heat produced per mole of reaction. We have 3.15 moles of the solid, to find the heat produced we need to use the equation:

q = m*S*ΔT

<em>Where q is heat of reaction in J,</em>

<em>m is the mass of the solution in g,</em>

<em>S is specific heat of the solution = 4.184J/g°C</em>

<em>ΔT is change in temperature = 11.21°C</em>

The mass of the solution is obtained from the volume and the density as follows:

150.0mL * (1.20g/mL) = 180.0g

Replacing:

q = 180.0g*4.184J/g°C*11.21°C

q = 8442J

q = 8.44kJ when 3.15 moles of the solid react.

The ΔH of the reaction is:

8.44kJ/3.15 mol

= 2.68kJ/mol

5 0
2 years ago
What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
tresset_1 [31]
This would represent a synthesis reaction 
7 0
2 years ago
Read 2 more answers
Equilibrium is established in a reversible reaction when
avanturin [10]
The correct answer among the options given is B. . When the forward and reverse paths of a change occur at the same rate, <span>the system is in equilibrium specifically in dynamic equilibrium.<span> Dynamic equilibrium is the balance in a process that is continuing. </span></span>
6 0
3 years ago
In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon dioxide and water: CH4 (g) 2O2
Degger [83]

Answer:

The energy released will be -94.56 kJ or -94.6 kJ.

Explanation:

The molar mass of methane is 16g/mol

The given reaction is:

CH_{4}(g) + 2O_{2} (g) --> CO_{2} (g)+ 2H_{2}O(l)

the enthalpy of reaction is given as  ΔH = -890.0 kJ

This means that when one mole of methane undergoes combustion it gives this much of energy.

Now as given that the amount of methane combusted = 1.70g

The energy released will be:

=\frac{energy released by one moleXgiven mass}{molarmass} =\frac{-890X1.7}{16}= -94.56 kJ

7 0
3 years ago
Naproxen (sold under the name Aleve) is a nonsteroidal anti-inflammatory drug (NSAID), and is used to treat different types of p
alexandr1967 [171]
It is true it is used for inflammation and pain in muscle and joints it is also used for muscle and bone disorders
6 0
2 years ago
Other questions:
  • The enthalpy change for converting 1.00 mol of ice at -25.0 ∘c to water at 90.0∘c is ________ kj. the specific heats of ice, wat
    7·1 answer
  • In which group of teh modern periodic table are there very reactive metals and very reactive non metals?​
    8·1 answer
  • What is the name of the giant supercontinent
    7·2 answers
  • What type of harmful bacteria did they feed the mice in the experiment?
    7·1 answer
  • Which step of the scientific method involves obtaining resources for your question?
    11·2 answers
  • All mutations _____.
    6·1 answer
  • Write a paragraph on: how Westfield how the rust in their water formed.
    5·1 answer
  • What is the percentage by mass of sulphur in Al2(SO4)3[A12SO4 =<br>342g/mol, S = 32]​
    11·1 answer
  • How much Cu-61 (half-life about 3 hours) would remain from a 2 mg sample after 9 hours?​
    6·1 answer
  • 6) Which of the following would travel the farthest in column chromatography?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!