Chemistry, 18.03.2021 03:10, jamaiciaw6
Question 1 (1 point)
Everything will always have the same boiling, freezing and melting point.
True
False
Question 2 (1 point)
Everything will dissolve in water.
True
False
Question 3 (1 point)
A Homogenuous mixture can be easily separtated.
True
False
Question 4 (1 point)
Water will dissolve in oil.
True
False
Question 5 (1 point)
Water will freeze at 0 degrees celcuis or 32 degree farenheit.
True
False
Question 6 (2 points)
is known as the universal solvent.
a
Milk
b
Water
c
Gasoline
d
Juice
Question 7 (2 points)
is the subtances that dissovles other substances.
a
Solute
b
Solubility
c
Solvent
d
Mixture
Question 8 (2 points)
Solutes are dissolved in .
a
Solutions
b
Solvents
c
Acids
d
Compounds
Question 9 (2 points)
At what temperature does water freeze on the celsius scale.
a
100 degrees
b
49 degrees
c
212 degrees
d
0 degrees
Question 10 (2 points)
At what temperature is water a gas on the celsius scale.
a
212 degrees
b
0 degrees
c
100 degrees
d
49 degrees
Question 11 (2 points)
If a mixture (X) has a freezing point of a negative 52 degrees celsius and a boiling point of 20 degrees Celsius, at what point will the mixture become a gas.
a
Negative 53 degrees Celsius
b
0 degrees Celsius
c
100 degrees Celsius
d
21 degree Celsius
Question 12 (2 points)
is the ability of a solvent dissolve a substance.
a
Melting Point
b
Boiling Point
c
Reliability
d
Solubility
Question 13 (2 points)
Which of the following is not a mixture?
a
Pure Gold
b
c Kool Aid
c
Lemonade
d
Fruit Salad
Question 14 (2 points)
Which of the following is a compound?
a
Kool Aid
b
Milk
c
Sugar (C6H12O6)
d
Oxygen
Question 15 (2 points)
Which of the following is a hetergenous mixture?
a
M and M's
b
Kool Aid
c
Air
d
Jello
Question 16 (15 points)
Can you explain why oil and water do not mix? Consider oily substances such as, bacon, cooking oild, motor oil and butter. Be sure to address density, polarity, the position or proximity of molecules and the compositon of oil and water. Water is H2O and Oil is made of various elements such as, carbon chains. What happens when you try to mix oil and water? Explain
Answers: 3
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 18:00, bbombard21
Select the atomic models that belong to the same element
Answers: 2
Chemistry, 21.06.2019 18:00, darg3990rgp2t0r2
Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.
Answers: 3
Chemistry, 22.06.2019 10:50, lejeanjamespete1
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Do you know the correct answer?
Question 1 (1 point)
Everything will always have the same boiling, freezing and melting point.
Questions in other subjects:
Social Studies, 24.09.2019 11:10
Mathematics, 24.09.2019 11:10
History, 24.09.2019 11:10
Chemistry, 24.09.2019 11:10
Mathematics, 24.09.2019 11:10
Mathematics, 24.09.2019 11:10
