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
bearhunter [10]
3 years ago
15

True or false, when a material loses thermal energy, it usually contracts.

Chemistry
2 answers:
Brums [2.3K]3 years ago
8 0

Answer:

True

Explanation:

Whenever something loses thermal energy, it contracts and becomes smaller.

IgorLugansk [536]3 years ago
8 0

Answer: it might be true

Explanation:

You might be interested in
What is the mass of 0.28 mole of iron?
vredina [299]

Answer:

Your answer should be 15.68 grams.

Explanation:

Seeing as 1 mole has a mass of 56 g, 56*0.28 would get you 15.68 g.

6 0
3 years ago
14
Scrat [10]

Answer:

The correct answer is <em>D) Niels Bohr​</em>

Explanation:

Bohr proposed a new atomic model, whereby he explains that electrons rotate around the nucleus at well-defined levels, describing circular orbits. Each orbit was called the energy level (it is called the main quantum number n, going from numbers 1 to 7). To make his model, Bohr studied the Hydrogen atom (it has a proton in its nucleus and an electron rotating around it).

5 0
4 years ago
Enzymes in your body act as a catalyst. Thus the role of enzymes is to
Arturiano [62]

Answer:

o increase the rate of chemical reaction

Explanation:

Enzymes are chemical catalysts that speed up chemical reactions by lowering their activation energy. Enzymes have an active site with a unique chemical environment that fits particular chemical reactants for that enzyme, called substrates. Enzymes and substrates are thought to bind according to an induced-fit model.

6 0
3 years ago
Read 2 more answers
Denise heard that little children will pick food based on color. So she offered 100 kindergarteners colored mashed potatoes for
Dvinal [7]

Answer:

I think the answer is B. the number of students choosing each color.

Explanation:

7 0
2 years ago
Which statement defines specific heat capacity for given sample?
Aleks04 [339]

Answer:

D. the quantity of heat that is required to raise 1 g of the sample by 1*C (kelvin) at a constant pressure.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Hexene would have _____ carbon atoms and one ______ bond.
    11·2 answers
  • At STP, the temperature is __ degrees Celcius and __ K. Question 2 options:
    9·1 answer
  • A chemist wants to make 6.5 L of a 0.340 M CaCl2 solution. Part A What mass of CaCl2 (in g) should the chemist use? Express your
    5·1 answer
  • Before the use of technetium-99m, patients with high risk coronary artery disease were evaluated using thallium-201 which has a
    10·1 answer
  • Calculate the molarity of each of the following solutions.
    12·1 answer
  • Please help I’ll make brainlist
    14·2 answers
  • NaH is an iconic compound because
    11·1 answer
  • Is O2 covalent molecular or polar covalent
    14·1 answer
  • How many grams are in 4.80 mol of sodium chloride ( NaCl )?
    14·2 answers
  • Select all the correct answers. what are three reasons why nebulae contribute more to stellar formation than other regions of th
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!