B. 0.108 lbs/in3 C. 534 lbs/in3 D. 0.697 lbs/in3 2.)The density of an alcohol is 0.788 g/mL. What volume in millliters, mL, will correspond to a mass of 20.500 mg? A. 0.0162 mL B. 26.0 mL
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
1.) The density of gold is 19.3 g/cm3. What is this density in the units of lbs/in3? (1 in = 2.54 cm and 1 lb = 453.6 g).
A. 3.45 x 103 lbs/in3
B. 0.108 lbs/in3
C. 534 lbs/in3
D. 0.697 lbs/in3
2.)The density of an alcohol is 0.788 g/mL. What volume in millliters, mL, will correspond to a mass of 20.500 mg?
A. 0.0162 mL
B. 26.0 mL
C. 0.0260 mL
D. 2.60 x 104 mL
3.)A medication is being administered to a patient intravenously at a rate of 0.0395 cg/minute. How many hours does it take for the patient to receive 0.30 g of the medicine?
A. 13 hrs
B. 13 x 10-5 hrs
C. 2.0 x 106 hrs
4.) The amount of glucose in a patient's blood was found to be 85.2 mg/dL. How many mg of glucose are contained in a 5.0 mL blood sample of the patient?
A. 4.3 x 102 mg
B. 4.3 mg
C. 0.0043 mg
D. 4.3 x 104 mg
D. 0.020 hrs
Density = 19.3 g/cm3
Density = lbs/in3
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