WorksheetsExam 1 Review CHM1135 2026
Total questions: 17
Worksheet time: 21mins
This represents a _________ mixture
heterogenous
homogenous
Which of the following represents a pure element?
paper
air
water
oxygen
The daily recommended value of iron is 8.7mg, how much is this in grams?
0.0087g
0.087g
8700g
8.7g
Which of the following numbers has 4 significant figures?
1000
1000.00
0.01100
0.0001
Calculate the density of the object on the scale.
1.19g/mL
0.406 g/mL
0.303 g/mL
24.9 g/mL
Draw how you are feeling today..
On a crisp fall day, the temperature outside is 63oF, what is this temperature in oC?
Tf = 1.8(Tc) + 32
172.0 oC
17.2 oC
145.4 oC
32.9 oC
What is your favorite coffee drink for the spring (if you drink coffee)?
What is the mass of an object that has a density of 3.56 g/mL and a volume of 0.500L
Density = mass/volume
1.78g
7.12g
1780g
0.140g
How many oxygen atoms are in Fe(OH)3
1
2
3
6
What is the coefficient of HClO4 when the following equation is balanced with smallest whole numbers?
Cl2O7 + H2O → HClO4
1
2
4
5
Round the following number to 2 significant figures: 1690
How many protons are in magniesum?
24
12
25
36
If you have a patient with a temperature of 101oF, what is it in oC?
40
38.3
300000000
10.2
Answer the following question with the correct number of significant figures: 10.0 + 5.0
5
15
5.0
15.0
The adult dose for a new drug has been calculated to be 360 mg. If the dose for a 25 lb child is recommended to be 26 % of the adult dose, what should the dose be?
26 mg
93.6 mg
400 mg
125 mg
Balance this puppy, type in the correct coefficients in order, separated by a comma. Thanksssss
