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
Nata [24]
3 years ago
13

Pls someone help me when i get this done i am done with my work i will give brainlist to

Chemistry
1 answer:
lesya [120]3 years ago
5 0

Answer:

well i think coffe is an example cause it goes from hot to cold

You might be interested in
PLEASE Answer asap! What characteristics are shared by all alkali metals and alkaline earth metals?
agasfer [191]

Answer:

C

Explanation:

Mostly all of them but most likely C

6 0
3 years ago
Can anyone help me with this?
Ksju [112]
Gasoline, and related fuels have helped society by being a reliable fuel which has powered great things. However these fuels pose hazardous chemicals that can be released into the environment, damaging our valuable ecosystem. Such as greenhouse gasses. However society can overcome these challenges by using other renewable resources. Like power from rivers and wind. In conclusion, great resources have great trade offs.
8 0
4 years ago
Find the age t of a sample, if the total mass of carbon in the sample is mc, the activity of the sample is a, the current ratio
kkurt [141]
should be 7.57*10^3 years
4 0
4 years ago
Given the information that nitrogen atoms are larger than hydrogen atoms,which of the models best represent ammonia?(NH3)
Ray Of Light [21]

Answer:

<em>The correct option is the structure in the option D. </em>

Explanation:

Ammonia contains a single nitrogen atom bonded to three hydrogen atoms.

The structure present in option A shows a single nitrogen atom bonded with a single hydrogen atom hence it is not correct.

The structure in option B shows a nitrogen atom bonded to four hydrogen atoms hence it is also not correct.

The structure in option C shows a nitrogen atom bonded to two hydrogen atoms hence it is also not correct.

The structure in option D shows a nitrogen atom bonded to three hydrogen atoms which is the correct structure of ammonia (NH3).

4 0
3 years ago
What is the pH of a 2.5x 10^-6M Solution of HCI?​
Tomtit [17]

Answer:

5.6

Explanation:

since HCl is a strong acid we know that it completely dissasociates into H+ and Cl-

We can just treat the HCl as the H+ concentration and take the -log

-log(2.5E-6) = 5.6

5 0
3 years ago
Other questions:
  • Something used to represent a complex idea or process in science
    11·2 answers
  • Which of the following is NOT a property of a base?
    14·1 answer
  • In cats, the allele B is for black fur and allele b is for brown fur. Identify the phenotypes of the following individuals who h
    10·1 answer
  • A 0.539 g sample of a metal, M, reacts completely with sulfuric acid according to the reaction M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A v
    15·1 answer
  • Design an Experiment Worksheet
    9·1 answer
  • Consider this reaction and answer the questions:
    7·2 answers
  • Gas is trapped within a container held at a constant temperature. If the volume of the
    13·1 answer
  • A rectangular block of tungsten has a length of 7.90 cm , a width of 2.30 cm , and a height of 1.90 cm . Using the correct numbe
    7·1 answer
  • Suppose you wanted to measure 53 grams of water for a Phase Change
    7·1 answer
  • How many molecules are in 20.2 moles of CO₂?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!