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
vekshin1
1 year ago
15

What factors have caused the rise in global temperatures over the past century?

Chemistry
1 answer:
Lemur [1.5K]1 year ago
6 0

Answer:

Explanation:

Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.

You might be interested in
A 64.4-g sample of potassium chloride was added to 200.0 g of water at 20 degrees C. Is the solution saturated, unsaturated, or
Tomtit [17]
Hey there!:

is the solution <span>saturated  , ie :

</span>They are the ones that have reached the exact solubility coefficient.<span>If we mix 64.4 g of KCl at 200.0 g of water at 20 º C, we'll see that the 32.2 g will dissolve and the remainder (32.2 g) will precipitate, forming the bottom body. In this case we will then have a solution saturated with background. However, if we want only the saturated solution, simply perform a simple filtration to separate the precipitate from the saturated solution.

hope this helps!</span>
7 0
3 years ago
I need help understanding polyatomic ions
Vinvika [58]
A polyatomic ion, also known as a molecular ion, is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means "many," in Greek, but even ions of two atoms are commonly referred to as polyatomic
3 0
3 years ago
Hydrochloric acid has the chemical formula HCl. A certain quantity of hydrochloric acid has 2.39x1024 atoms. How many moles of h
nasty-shy [4]

Answer: 3.97 moles HCl

Explanation: Solution:

2.39x10²⁴ atoms HCl x 1 mole HCl /

6.022x10²³ atoms HCl

= 3.97 moles HCl

8 0
2 years ago
¿Cuál es la diferencia entre electrones internos y electrones externos? *
Fudgin [204]

Answer & Explanation:

Los electrones externos se encuentran más lejos del núcleo. El número de electrones en la capa más externa (electrones de valencia) de un átomo en particular determina su reactividad (tendencia) a formar enlaces químicos con otros átomos.

Los electrones internos son los más cercanos al núcleo. Protegen los electrones de valencia del núcleo, reduciendo la carga nuclear efectiva.

3 0
2 years ago
“NH4VO3” is a... <br><br> Symbol <br><br><br> Name <br><br><br> Chemical formula
shepuryov [24]

Answer:

its a chemical formula, it has numbers and symbols

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following requires an oxidizing agent?
    5·1 answer
  • What is 673.5 in scientific notation
    13·2 answers
  • A material has a density of 8.9g/cm3. You have six cubic centimeters of the substance. What is the materials mass in grams
    9·1 answer
  • rain, freezing rain, sleet, snow, and hail are all examples of a. infiltration. b. precipitation. c. evaporation. d. condensatio
    11·2 answers
  • What is the density of an object that has a mass of 21 g and a volume of 9 ml?
    11·1 answer
  • How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if
    15·2 answers
  • 22 Directions: Select the correct food web. In Ottawalley National Park, grass is abundant. Gazelles spend most of the day feedi
    11·2 answers
  • 4.0 moles of H2O would have what mass?
    11·2 answers
  • Need help here plz ASAP!!!!!!!!
    11·2 answers
  • Which of the following does NOT involve a physical change?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!