CN Conversion – Chemistry Quiz 3
The key terms of Chemistry Quiz include, CN, Conversion, Mass, Matter, Gasses.
Matter is defined as:
Anything that has mass.
Anything that occupies space and has mass. – correct
None are correct.
Anything that occupies space.
Some things that occupy space and have mass.
Gasses and liquids are compressible
True
False – correct
Pure substances can be: Elements, Compounds and Heterogenous.
True
False – correct
A chemical change takes place when covalent bonds are broken and new covalent bonds are made.
True – correct
False
I want to make up my own energy units. I am going to call my energy unit CN after my initials. The conversion factor of CN is 1 CN = 156 cal.
How much CN do I have if I start with 954 joules? Hint: you need 2 conversion factors to solve this problem. The 2 are 4.184joules=1cal and 1CN=156cal.
1.48×105 CN
1.46 CN – correct
228 CN
37.3 CN
Specific heat capacity is a very useful measurement to identify substances. Remember the equation for specific heat capacity is q=mC(deltaT) delta T = Tf-Ti
What is the mass of a substance that has 67J of heat, a heat capacity of 0.385J/gC, a temperature final of 78C and a temperature initial of 4.0C?
2.351g
2.35g
2.3517g
None are correct
2.4g – correct
I want to make up my own energy units. I am going to call my energy unit CN after my initials. The conversion factor of CN is 1 CN = 156 cal.
How much CN do I have if I start with 954 joules? Hint: you need 2 conversion factors to solve this problem. The 2 are 4.184joules=1cal and 1CN=156cal.
228 CN
37.3 CN
1.48×105 CN
1.46 CN – correct
Specific heat capacity is a very useful measurement to identify substances. Remember the equation for specific heat capacity is q=mC(deltaT) delta T = Tf-Ti
What is the mass of a substance that has 67J of heat, a heat capacity of 0.385J/gC, a temperature final of 78C and a temperature initial of 4.0C?
2.35g
None are correct
2.3517g
2.4g – correct
2.351g
How many significant figures are contained in the following number:
0.10300
No answer text provided.
No answer text provided.
5 – correct
No answer text provided.
How many significant figures are contained in the following number:
5.032
4 – correct
3
1
Cannot be determined
Which is the correct way to write the following number in scientific notation?
90005.3427
0.900053427 x 105
9.00053427 x 10-4
9.00053427 x 104 – correct
None are correct
9.00 x 104
If someone is trying to convert 6.8 centimeters to nanometers what is the correct way to set this problem up?
6.8cm x (1cm/10-2m) x (10-9m/1nm) =
6.6cm x (1cm/10-2m) x (1nm/10-9m) =
6.8cm x (10-2m/1cm) x (10-9m/1nm) =
6.8cm x (10-2m/1cm) x (1nm/10-9m) = – correct
What is the correct way to set up the relationship between milligrams and grams?
10-3mg=1g
None are correct
1mg=10-3g – correct
10-6mg=1g
1mg=10-6g
How many surfboards can someone buy if surfboards cost 589 US Dollars and a person has 67981 Special Dollars?
1 US Dollar = 9.4 Special Dollars
115
639021
1084
12 – correct
None are correct
Matter is defined as:
Anything that has mass.
Anything that occupies space and has mass. – correct
None are correct.
Anything that occupies space.
Some things that occupy space and have mass.
Gasses and liquids are compressible
True
False – correct
Pure substances can be: Elements, Compounds and Heterogenous.
True
False – correct
A chemical change takes place when covalent bonds are broken and new covalent bonds are made.
True – correct
False
I want to make up my own energy units. I am going to call my energy unit CN after my initials. The conversion factor of CN is 1 CN = 156 cal.
How much CN do I have if I start with 954 joules? Hint: you need 2 conversion factors to solve this problem. The 2 are 4.184joules=1cal and 1CN=156cal.
1.48×105 CN
1.46 CN – correct
228 CN
37.3 CN
Specific heat capacity is a very useful measurement to identify substances. Remember the equation for specific heat capacity is q=mC(deltaT) delta T = Tf-Ti
What is the mass of a substance that has 67J of heat, a heat capacity of 0.385J/gC, a temperature final of 78C and a temperature initial of 4.0C?
2.351g
2.35g
2.3517g
None are correct
2.4g – correct