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Determine the number of significant figures in the measurement 6.07m. ✔Correct Answer-3
Determine the number of significant figures in the measurement 0.0030s. ✔Correct Answer-2
Round the value 44.981g to three Significant figures. ✔Correct Answer-45.0
What is 2.27×2.2 Using appropriate significant figures. ✔Correct Answer-5.0
What is 2.27÷2.2 using appropriate significant figures. ✔Correct Answer-1.0
What is 2.27+2.2 using appropriate significant figures. ✔Correct Answer-4.5
What is 2.27-2.2 using appropriate significant figures. ✔Correct Answer-0.1
How many significant figures are there in 20.60 L ✔Correct Answer-4
How many significant figures are there in 1036.48g. ✔Correct Answer-6
How many significant figures is there in 4.00m. ✔Correct Answer-3
How many significant figures are there in 20.8°C. ✔Correct Answer-3
A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of the
bottle is 76.0mL, How many milliliters of active ingredients are in the bottle? ✔Correct
Answer-3.80
Sylvanite is a mineral that contains 28.0% gold by mass. How much Sylvanite would you need to
dig up to obtain 56.0g of gold? ✔Correct Answer-200
If an athlete weighs 139 pounds and has 15.0% body fat by weight, how many pounds of fat
does the athletes body contain? ✔Correct Answer-20.9
A glucose solution has a density of 1.05g/mL. What is it specific gravity? ✔Correct Answer-
1.05
A 0.380mL sample of very low density lipoprotein has a mass of 376 mg. What is the density of
the lipoprotein? ✔Correct Answer-0.989
, Butter has a specific gravity of 0.81. What is the mass, in grams, of 2.60L of butter? ✔Correct
Answer-2100
A mixture in which the composition is not uniform throughout. ✔Correct Answer-
heterogeneous mixture
A mixture in which the composition is uniform throughout. ✔Correct Answer-homogeneous
mixture
Is Air a homogeneous mixture or heterogeneous mixture? ✔Correct Answer-Homogeneous
Is soil a heterogeneous mixture or a homogeneous mixture? ✔Correct Answer-
Heterogeneous
Is saltwater a homogeneous mixture or a heterogeneous mixture? ✔Correct Answer-
Homogeneous
Calculate the heat change in calories for condensation of 11.0 g of steam at 100°C. (cal)
✔Correct Answer-5940
Indicate whether he was absorbed or released when condensing. ✔Correct Answer-Released
Calculate the heat change in joules for condensation of 7.1 g of steam at 100°C. ✔Correct
Answer-16000
Calculate the heat change in kilo calories for vaporization of 44 g of water at 100°C. ✔Correct
Answer-23.8
Indicate whether he was absorbed or released during vaporization. ✔Correct Answer-
Absorbed
What element is symbol C? ✔Correct Answer-Carbon
What element is symbol H? ✔Correct Answer-Hydrogen
What element is symbol He? ✔Correct Answer-Hellium
What element is symbol Na? ✔Correct Answer-Sodium
What element is symbol Li? ✔Correct Answer-Lithium
What Element is symbol Be? ✔Correct Answer-Beryllium
What element is symbol B? ✔Correct Answer-Boron