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Q 1/38
Score 0
The definition for deposition is......
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Heat goes into the liquid as it vaporizes.
Heat leaves the gas as it solidifies.
Heat leaves the gas as it condenses.
Heat goes into the solid as it sublimates.
Q 2/38
Score 0
Dry ice is an example of what phase?
30
Vaporization
Condensation
Sublimation
Deposition
38 questions
Q.
The definition for deposition is......
1
30 sec
Q.
Dry ice is an example of what phase?
2
30 sec
Q.
What type of matter cannot be compressed?
3
30 sec
Q.
Is ripening of a banana chemical or physical change?
4
30 sec
Q.
Change of state is an example of chemical or physical change?
5
30 sec
Q.
Aluminium combining with oxygen to form aluminium oxide is a chemical or physical change?
6
30 sec
Q.
Boiling and melting is an example of....
7
30 sec
Q.
At what temperature would 250 mls of water boil?
8
30 sec
Q.
The law of conservation states that the Mass of reactants are always equal to....
9
30 sec
Q.
106.5g of HCl(g) react with an unknown amount of NH3(g) to produce 156.3g OF NH4Cl(s). How many grams of NH3(g) reacted?
10
30 sec
Q.
In an experiment, 10.00g of red mercury(II) oxide power is places in an open flask and heated until it is covered to liquid mercury and oxygen gas. The liquid mercury has a mass of 9.26g. What is the mass of oxygen formed in the reaction?
11
30 sec
Q.
A 10.0g sample of magnesium reacts with oxygen to form 16.6g of magnesium oxide. How many grams of oxygen reacted?
12
30 sec
Q.
From a lab process designed to separate water onto hydrogen and oxygen gas, a student collected 10.0g of hydrogen and 79.4g of oxygen. How much water was originally involved in the process?
13
30 sec
Q.
A student adds 15 g of baking soda to 10 g of acetic acid in a beaker. A chemical reaction occurs and a gas is given off. After the reaction, the mass of the products remaining in the beaker is 23 g. Has mass been conserved in this reaction?
14
30 sec
Q.
Sodium reacted with chlorine to form sodium chloride. Name the products and reactants in the equation
15
30 sec
Q.
If 22.99g of sodium and 35.45g of chlorine fully react, how much sodium chloride forms?
16
30 sec
Q.
Magnesium is an example of....
17
30 sec
Q.
Carbon Dioxide is an example of...
18
30 sec
Q.
Find the total mass for water?
19
30 sec
Q.
What is the total mass for glucose (C6H12O6)?
20
30 sec
Q.
Find the percentage mass of oxygen in water?
21
30 sec
Q.
If 3.5g of element X reacts with 10.5g of element Y to form the compound X, what is the percentage by mass of element X in the compound? The percentage by mass of element Y?
22
30 sec
Q.
Blood is an example of what type of mixture?
23
30 sec
Q.
Use the diagram to calculte the Rf value?
24
30 sec
Q.
Which is NOT a physical property of table sugar?
25
30 sec
Q.
How many valence electrons are present in an atom of an element with atomic number 16?
26
30 sec
Q.
Which describes a substance that is in the solid state?
27
30 sec
Q.
What is the difference between two neutral atoms represented by the symbols Co (atomic number 27 and mass number 59) and Ni (atomic number 28 and mass number 59)?
28
30 sec
Q.
The electron arrangement of sodium is 2.8.1. How many occupied main electron energy levels are there in an atom of sodium?
29
30 sec
Q.
What is the electron arrangement of silicon?
30
30 sec
Q.
What is the coefficient for O2(g) when the equation below is balanced?
__C3H8(g) + __O2(g) → __CO2(g) + __H2O(g)
31
30 sec
Q.
Water is an example of ____________________
32
30 sec
Q.
What makes up most of the volume of an atom?
33
30 sec
Q.
How many neutrons, protons, and electrons does Te have (atomic number: 52 and atomic mass number: 126)?
34
30 sec
Q.
Na, K, Li, and Cs all share similar chemical properties. In the periodic table of elements, they most likely belong to the same
35
30 sec
Q.
Write the electron arrangement for an atom of calcium
