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
alukav5142 [94]
3 years ago
11

A 34.87 g sample of a substance is initially at 27.1 C. after absorbing 1071 J of heat, the temperature of the substance is 145.

0 C. what is the specific heat (SH) of the substance?
SH=___ J / g * C
Chemistry
1 answer:
Alenkinab [10]3 years ago
7 0
H= \frac{1071}{34.87}*145\\H= \frac{155295}{34.87} \\H= \frac{15529500}{3487} \\H=4453.542
You might be interested in
What is the pH of the lye in soap ?
lord [1]

Answer:

The pH of the lye in soap is 13.

Explanation:

7 0
3 years ago
Read 2 more answers
What is the approximate time of death if the body temperature was 15.6°C?
WARRIOR [948]

Answer:

This stiffening process, called Rigor Mortis, has a roughly known time of occurrence and can therefore be used to estimate time of death. In general: If the body feels warm and no rigor is present, death occurred under 3 hours before. If the body feels warm and stiff, death occurred 3-8 hours earlier.

6 0
3 years ago
A 0.98 M solution of calcium chloride with a volume of 0.25 L is diluted to form a 0.74 M solution. What is the new volume of th
tankabanditka [31]

The new volume of the dilute solution is 0.33 L.

<u>Explanation:</u>

Using the law of Volumetric analysis, we can find the volume of the dilute solution from the stock solution or the concentrated solution of Calcium Chloride.

V1M1 = V2M2

V1 be the volume of the stock solution = 0.25 L

M1 being the molarity of the stock solution = 0.98 M

V2 be the volume of the dilute solution = ?

M2 being the molarity of the dilute solution = 0.74 M

We have to rearrange the above equation to find V2 as,

V2 = $\frac{V1M1}{M2}

Now plugin the values as,

V2 = $\frac{0.25 L \times 0.98 M }{0.74 M}

   = 0.33 L

So the new volume of the dilute solution is 0.33 L.

3 0
3 years ago
An iron ball is dropped onto a pavement from a height H. If half of the heat generated goes into warming the ball, find the temp
mr Goodwill [35]

The given question is incomplete. The complete question is as follows.

A 10 kg iron ball is dropped onto a pavement from a height of 100 m. If half of the heat generated goes into warming the ball,find the temperature increase of the ball. (In Sl units, the specific heat capacity of iron is 450 J/kg.C degree).

Explanation:

In the given case, when the ball comes in contact with the pavement then its kinetic energy will be equal to potential energy of the ball before it was dropped. Half the K.E heats the ball.

As K.E = P.E = mgh

So, mgh = 10 \times 10 \times 100 = 10,000 joules

And, half of this is 5,000 joules

As we know that

             Q = m \times C \Delta T

          5000 = 450 \times 10 \times \Delta T

\Delta T = \frac{5000}{4500}

              = 1.11 degrees

Also, in the given situation

          \frac{mgh}{2} = m \times C \times \Delta T

Since there is an m on both sides of the equation, we will divide both sides by m  and the resulting equation will be as follows.

        \frac{gh}{2} = c \times \Delta t

As, the result is independent of mass which is why the result is the same for any ball of any mass.

4 0
4 years ago
What is the formula of haso4​
ladessa [460]

Explanation:

The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2

8 0
3 years ago
Other questions:
  • Borane (BH3) adds to alkenes to form an alkylborane. In the first box draw the mechanism arrows, and in the second box draw the
    6·1 answer
  • A naturally occurring sample of an element contains only two isotopes. The first isotope has a mass of 68.9255 amu and a natural
    12·1 answer
  • What is the density of a smaple if it weight 3.5 grams and has a volume of 2cm^3
    6·1 answer
  • Stoichiometry: How much magnesium oxide, in grams, is produced from the reaction of 2 grams of magnesium?
    7·1 answer
  • Question 1<br> Why can't wee see atoms?
    15·1 answer
  • A student made the table shown to list some contact and non-contact forces.
    7·2 answers
  • Describe your theories on time travel. Will it exist? If so, how? If not, explain why.
    9·2 answers
  • A student wants to remove the salt from a mixture of sand and salt in order to get only pure sand. He adds water to the mixture.
    12·2 answers
  • Fill in the blanks
    5·1 answer
  • 3. In a neutral atom, this element has an atomic mass of 23 AMU and has 11 protons.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!