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
abruzzese [7]
3 years ago
8

g A spontaneous process is one in which: A. releases a large amount of heat B. may happen (is possible) C. will rapidly approach

equilibrium D. will happen quickly
Chemistry
1 answer:
katrin2010 [14]3 years ago
7 0

Answer:

A. releases a large amount of heat

Explanation:

A reaction is said to be spontaneous if it can proceed on its own without the addition of external energy. A spontaneous reaction is not determined by the length of time, because some spontaneous reactions are completed after a long period of time. They are exothermic in nature. An example is the conversion of graphite to carbon which takes a long period of time to complete. Spontaneous reactions are known to increase entropy in a system. Entropy is the rate of disorder in a system.

In the combustion of fire, energy is released to the surroundings as there is a decrease in energy. This is an example of a spontaneous reaction because it is an exothermic reaction, which causes an increase in entropy and a decrease in energy.

You might be interested in
Which of the following statements is not accurate? A. At constant temperature, halving the number of gas particles in a given sp
vlabodo [156]
I suggest you to go with C !! it is absolutely wrong sentence !!

increasing the gas particles will increase the collision between them so !!

your answer is C !!
4 0
4 years ago
Read 2 more answers
What are the products of this chemical equation? HCl(aq) + NaOH(aq) →
rusak2 [61]
I believe it is NaCl(aq) + H2O
5 0
3 years ago
Read 2 more answers
When three pairs of electrons are shared in a molecule, what shape will the molecule be?
djyliett [7]
The correct answer is B. The shape of a molecule where three pairs of electrons are shared is a trigonal planar. This is characterized by one central atom and three atoms forming an equilateral triangle which is bonded to the central atom.
8 0
3 years ago
Read 2 more answers
Amount moles 167 g of nitrogen​
skad [1K]
11.9 if i read your question correctly sorry if it’s wrong lol
5 0
3 years ago
Answer the following questions based on the reaction below: NaOH(aq) + KHP(s) --> NaKP(aq)+H2O(I)
Natali [406]

Answer:

<u />

  • <u>a) 1.44g</u>

<u />

  • <u>b) 77.3%</u>

<u />

Explanation:

<u>1. Chemical balanced equation (given)</u>

       NaOH(aq)+ KHP(s)\rightarrow NaKP(aq)+H_2O(l)

<u>2. Mole ratio</u>

1molNaOH(aq):1molKHP(s)

This is, 1 mol of NaOH will reacts with 1 mol of KHP.

<u />

<u>3. Find the number of moles in 72.14 mL of the base</u>

    Molarity=\text{number of moles of solute}/\text{volume of solution in liters}

    \text{Volume of solution}=72.14mL=0.07214liters

     \text{Number of moles of NaOH}=0.0978M\times 0.07214liter=0.007055mol

<u>4. Find the number of grams of KHP that reacted</u>

The number of moles of KHP that reacted is equal to the number of moles of NaOH, 0.007055 mol

Convert moles to grams:

  • mass = number moles × molar mass = 0.007055mol × 204.23g/mol
  • mass = 1.4408 g.

You have to round to 3 significant figures: 1.44 g (because the molarity is given with 3 significant figures).

<u>5. Find the percentage of KHP in the sample</u>

The percentage is how much of the substance is in 100 parts of the sample.

The formula is:

  • % = (mass of substance / mass of sample) × 100

  • % = (1.4408g/ 1.864g) × 100 = 77.3%
7 0
3 years ago
Other questions:
  • What are some HYDROPHILIC materials?
    15·1 answer
  • 2al2o3 4al 3o2 what is the mole ra#tio of aluminum to oxygen is 4:3
    11·1 answer
  • Heterogeneous mixture are often separated by
    9·1 answer
  • Which is the next logical step in balancing the given equation?
    11·2 answers
  • 24 how many moles are in 2.04 × 1024 molecules of h2o?
    14·1 answer
  • What is Calcium sulfate+ iron give you and is sulfuric acid H2SO4
    13·1 answer
  • Write Fe salts (divalent Fe)?​<br><br>Pleasee help.... I will mark the answer with brainlist.
    10·1 answer
  • Calculate the average rate of decomposition of NH4NO2 by the reaction 2NH4O5(aq) --&gt; N2(g) H2O(g) at the following time inter
    5·1 answer
  • What two factors affect the pressure in a solid
    9·1 answer
  • 1. A volume of 120.0 liters of a gas is prepared at a pressure of 400.0 mm Hg and a temperature
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!