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
vesna_86 [32]
3 years ago
12

Do physical changes transfer energy to and from their surroundings, yes or no?

Chemistry
1 answer:
GenaCL600 [577]3 years ago
5 0
I want to say the answer is yes.
You might be interested in
Which of the following statements about the Earth’s atmosphere is true?
maksim [4K]
Carbon dioxide levels<span> in the </span>atmosphere<span> by 2050 are predicted to be about double what they were before the. Industrial Revolution. ... 1% or 2% per </span>decade<span>, consistent with a warming </span>atmosphere<span>. .... Species are not yet responding to climate change because average temperatures </span>have<span> only </span>increasedabout 0.8°C<span> globally


can i get brainlest


</span>
8 0
3 years ago
How are you in the morning i want to take a nap
LekaFEV [45]
Sameee! I just wake up and I already wanna go take a nap lol
3 0
3 years ago
Read 2 more answers
A student receives 83.2 points, 44.6 points, 74.4 points, and 52.3 points on each of four tests. Determine the student’s test av
Leya [2.2K]

Answer:

Average = 63.6

Explanation:

Average : The average of the given set of points can be calculated by dividing sum of the total point to the number of points.

Average =\frac{Sum\ of\ points}{Number\  of\ points}

The points that are given in this equation are:

83.2 , 44.6 , 74.4 , 52.3 .

These are 4 in number . So average is

Average =\frac{Sum\ of\ points}{Number\  of\ points}

Average =\frac{83.2+44.6+74.4+52.3}{4}

Average =\frac{254.5}{4}

Average =63.625

Significant digits : It is the number of digits that carry meaningful value to a measurement. The rules for counting number of significant digits are:

1. all non-zero digit are significant

2.Any zero between two non-zero are also significant.(305 = 3 significant digit )

3. Zero before the decimal are non-significant (0.003 = only 1 significant digit)

Zero after decimal are significant (3.00 has 3 significant digit)

4.Zero after non - zero digit is non significant (300 has 1 significant digit).

Significant digits in division :

The answer should have the significant digits that are least in any of number(83.2 , 44.6 , 74.4 , 52.3 )

All have = 3 significant digits.

So least numner of significant digit =3

Answer should have total = 3 significant digits

So,

Average = 63.6

3 0
3 years ago
Which of the following compounds would be more soluble in 1 M NH3 than in pure water? BaSO 4 AgBr Pbl 2 BaF 2 Ca(OH) 2
Kazeer [188]

Answer:

AgBr

Explanation:

The salt, AgBr has a very low solubility is pure water. However, it has a high solubility in 1 M NH3. The reason behind this higher solubility of AgBr in 1 M aqueous ammonia solution is the formation of a complex as shown below;

AgBr(s) + 2NH3(aq) ----> [Ag(NH3)2]^+(aq) + Br^-(aq)

The formation of this linear silver diammine complex accounts for the higher solubility of AgBr in 1 M aqueous ammonia solution.

8 0
3 years ago
What is the molecular formula for CHON with a molar mass between 165-170
Drupady [299]
Mass for carbon = 12 Mass for hydrogen = 1 Mass for oxygen = 16 Mass for nitrogen = 14 12+1+14+16 = 33 165g / 33g = 5 times all the atoms by 5 C5H5O5N5
8 0
3 years ago
Other questions:
  • What is the location on the surface directly above the earthquake focus called? A. epicenter B. fault C. Moho D. foci
    12·2 answers
  • In experiment 1, how many moles of benzoic acid are present? how many moles of sodium bicarbonate are contained in 1 ml of a 10%
    13·1 answer
  • Which substance is liquid at 0°C? 1. alcohol 2. aluminum 3. ammonia 4. copper
    11·1 answer
  • How mant low dose 81mg aspirin tablets can be made from 1.21 kg of aspirin​
    7·1 answer
  • Be sure to answer all parts. Nitric oxide (NO) reacts with molecular oxygen as follows: 2NO(g) + O2(g) → 2NO2(g) Initially NO an
    8·2 answers
  • A student measures the mass and volume of a sample of aluminum at room temperature, and calculates the density of Aluminum to be
    8·2 answers
  • At low temperatures and pressure, how does the volume of a real gas compare with the volume of an ideal gas under the same condi
    14·1 answer
  • Cómo afecta la estructura molecular del nitrato de plata
    5·1 answer
  • Draw all four products obtained when 2-ethyl-3-methyl-1,3-cyclohexadiene is treated with HBr at room temperature and show the me
    10·1 answer
  • Why doesn't all soil look and feel the same? List 3 reasons
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!