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
shepuryov [24]
3 years ago
13

A 40.27 g sample of a substance is initially at 24.8 °c. after absorbing 2099 j of heat, the temperature of the substance is 148

.5 °c. what is the specific heat (c) of the substance?
Chemistry
1 answer:
Darina [25.2K]3 years ago
6 0
Q = mCΔT
Q is heat in joules, m is mass, C is specific heat, and delta T is change in temp

2099 J = (40.27g)(C)(148.5 - 24.8) = .421 J / gram K
You might be interested in
This element exists in adundance in the sun.Explain how you would go about capturing sunlight.Would this captured sunlight conta
nasty-shy [4]
Yes because the sun will make alots of thing grow
4 0
3 years ago
How can I balance this equation? ____ KClO3 ---> ____ KCl + ____ O2
tensa zangetsu [6.8K]
__ KClO₃ → __ KCl + __ O₂

Left Side:
1 K
1 Cl
3 O

Right Side:
1 K
1 Cl
2 O

Since the least common multiple of 3 and 2 is 6, we need to multiply the compound with 2 oxygen by 3 and the compound with 3 oxygen by 2.

This gives us 2KClO₃ → __ KCl + 3O₂.

However, this equation is still not balanced.

Left Side:
2 K
2 Cl
6 O

Right Side:
1 K
1 Cl
6 O

In order to balance the K and Cl, we need to multiply the KCl compound on the right side by 2.

2KClO₃ → 2KCl + 3O₂
8 0
3 years ago
C.<br> Calculate the number of moles in 62g of CO2
worty [1.4K]

Answer:

32÷5

I'm just tryna get points I'm sorry

goodluck tho❤

4 0
3 years ago
Read 2 more answers
Which provides evidence to support the big bang theory?
Stolb23 [73]
A<span>. </span>
<span>the change in carbon dioxide levels in the atmosphere 
</span>
hope that's right and hope i helped




6 0
3 years ago
Which elements have high densities, strength, and resistance to corrosion?
Advocard [28]

Answer:

transition elements

Explanation:

Metalloids are elements that have properties intermediate between those of metals and nonmetals. They are sometimes referred to as semi-metals. These materials have recently found great application in materials science and information technology.

Transition elements are however renowned for high densities and tensile strength. The transition elements have the highest density of all the element groups in the periodic table and also have resistance to corrosion. Transition metals such as gold silver and lead are coinage metals because they are resistant to corrosion.

Alkali and alkaline earth metals tarnish easily due to their high reactivity. They are usually very soft metals.

4 0
3 years ago
Read 2 more answers
Other questions:
  • The ester below can be separated into phenol and an acetate salt, via saponification: heating the ester with a strong base, such
    12·1 answer
  • During a lab activity, students prepared two solutions separately at the same temperature. Later they mixed the solutions and th
    7·1 answer
  • The steps of scientific method in order are?
    14·2 answers
  • Pleassseee ill mark brainliest Read the following passage and find the two errors. Then, choose the answer that corrects the err
    6·2 answers
  • What is the most abundant gas in the atmosphere is _____. argon oxygen nitrogen hydrogen
    7·2 answers
  • Ammonium dihydrogen phosphate, formed from the reaction of phosphoric acid with ammonia, is used as a crop fertilizer as well as
    11·1 answer
  • Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid fuel ro
    14·1 answer
  • What is the lowest energy level that contains d orbitals?<br> O A. 4<br> O B. 3<br> O C. 2<br> D. 1
    12·1 answer
  • A gas has a volume of 350 mL at 45 oK. If the volume changes to 400 mL, what is the new temperature?
    10·1 answer
  • In forming a molecular compound, each atom should have ______ electrons around it unless there is some specific reasons why this
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!