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
Reika [66]
3 years ago
9

Chemistry!! Please help!!

Chemistry
1 answer:
cluponka [151]3 years ago
4 0

Answer:

4.993 ×10⁻¹¹ J

Explanation:

The <em>nuclear binding energy</em> is the energy equivalent to the mass defect.

The <em>mass defect</em> is the difference between the mass of a nucleus and the sum of the masses of its nucleons.

<em>Calculate the mass defect </em>

  16 p = 16 × 1.007 28 u =  16.116 48  u

  16 n = 16 × 1.008 67 u =  16.138 72  u

Total mass of nucleons = 32.255 20 u

             - Mass of S-32 = <u>31.972 070 u </u>

                 Mass defect =  0.283 13   u

Convert the <em>unified atomic mass units to kilograms</em>.

Mass defect

= \text{0.283 13 u} \times \frac{ \text{1.66 06} \times 10^{-27} \text{ kg}}{\text{1 u}}

= 4.700 \times 10^{-28} \text{ kg}

Use Einstein’s equation to <em>convert the mass defect into energy</em>

E = mc^{2}

E = 4.7000 \times 10^{-28} \text{ kg} \times (2.998 \times 10^{8} \text{ m}\cdot\text{s}^{-1})^{2} = 4.224 \times 10^{-11} \text{ J}

You might be interested in
How many liters of nitrogen dioxide are in 16 g of NO2 at STP?
mojhsa [17]

Answer: 23 liter

Explanation: Im pretty sure

6 0
3 years ago
When you have finished adding the necessary amount of NaOH to your beaker, what color will the litmus paper turn?
Svetllana [295]

<u>Answer:</u> The red litmus paper turns blue on dipping in NaOH solution.

<u>Explanation:</u>

Litmus paper is the indicator that detects the nature of the solution, whether it is acidic or basic.

There are 2 types of litmus paper:

  • <u>Red litmus paper:</u> This paper will turn blue if it is dipped in basic solution and will remain as such if it is dipped in acidic solution.
  • <u>Blue litmus paper:</u> This paper will turn red if it is dipped in acidic solution and will remain as such if it is dipped in basic solution.

NaOH is a strong base, so when a red litmus paper is dipped in the beaker having necessary amount of NaOH, the red litmus paper turns into blue.

7 0
3 years ago
What is the force of a 3kg skateboard accelerating at a rate of 4m/s?
Sholpan [36]
To times 4 and 3 together for mass and acceleration then your answer would be 12, So Force= 12
7 0
3 years ago
A scientist collected the data shown in the graph above. How is the graph useful to the scientist?
Vladimir79 [104]
The scientist can analyze that data and help other scientists with his research
7 0
3 years ago
Calculate the heat absorbed by the water in a calorimeter when 175 grams of lead cools from 125.0°C to 22.0°C. The specific heat
Iteru [2.4K]

Answer:

Q = 233.42 J

Explanation:

Given data:

Mass of lead = 175 g

Initial temperature = 125.0°C

Final temperature = 22.0°C

Specific heat capacity of lead = 0.01295 J/g.°C

Heat absorbed by water = ?

Solution:

Heat  absorbed by water is actually the heat lost by the metal.

Thus, we will calculate the heat lost by metal.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

ΔT = 22.0°C - 125.0°C

ΔT = -103°C

Q = 175 g × 0.01295 J/g.°C×-103°C

Q = -233.42 J

Heat absorbed by the water is 233.42 J.

5 0
3 years ago
Other questions:
  • An aspirin tablet weighing 0.400 g has been analyzed and contains 68.2% acetylsalicylic acid (ASA) (180.16 g/mol) by mass. A stu
    14·1 answer
  • Use the following vocabulary words in a 3-5 paragraph sentence. Please highlight or bold the words as you use them in your parag
    12·1 answer
  • Where are you in the process of finding your purpose?
    7·1 answer
  • Acetic acid is found in significant quantities in
    12·1 answer
  • What is the mole of 98 mL of carbon dioxide gas at 36°C and 795 torr?
    13·1 answer
  • Temperature and kinetic energy have a relationship.
    15·2 answers
  • How many grams are there in a 3.5 moles of oxygen
    14·1 answer
  • Most seeds germinate and start to grow in the dark. Why don’t they need light right away?
    15·1 answer
  • Which process is characterized by the movement of particles?.
    15·2 answers
  • How many electrons are typically involved in bonding for group 1, group 2 and group 3 elements?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!