Please answer all. Please answer all. Please answer all. How many centiliters ar
ID: 1024164 • Letter: P
Question
Please answer all. Please answer all. Please answer all. How many centiliters are in 0.79 liters? [1 cL = 0.01L] Your Answer: Question 1 options: Answer Save Question 2 (3 points) Question 2 Unsaved How many milliliters are in 5.2 gallons? [1 gallon = 3.8 L and 1 L = 1000 mL] Your Answer: Question 2 options: Answer Save Question 3 (3 points) Question 3 Unsaved [The ^ symbol means raise the next number to an exponent] 3.0 x 10^-13 x 4.0 x 10^5 = 1.2 x 10^(?) Your Answer: Question 3 options: Answer Save Question 4 (3 points) Question 4 Unsaved The density of copper is 10.0 g/mL. What is the volume in milliliters of a 503-g ingot of copper? Your Answer: Question 4 options: Answer Save Question 5 (3 points) Question 5 Unsaved A Pascal (Pa) is defined as the pressure exerted by a force of 1 Newton (N) acting on an area of one square meter (1Pa = 1N/m^2). A Newton is represented by the follwoing units: 1N = kg x m / s^2. Which of the following are also acceptable units for a Pascal? Question 5 options: 1Pa = 1kg^2/m^2s 1Pa = 1kg/m^2s^2 1Pa = 1kg/ms 1Pa = 1kg/ms^2 Save Question 6 (3 points) Question 6 Unsaved Solve the following equation for z: 15 = 10z/[2-(2x4)] Your Answer: Question 6 options: Answer Save Question 7 (3 points) Question 7 Unsaved Express the following statement as an algebraic equation: "There are six students for every professsor at this university." Question 7 options: S x P = 6 6S = P S + P = 6 6P = S Save Question 8 (3 points) Question 8 Unsaved What is the log of 1 x 10^7? Your Answer: Question 8 options: Answer Save Question 9 (3 points) Question 9 Unsaved According to the ideal gas law, PV = nRT, where: P = pressure V = volume n = moles R = constant T = Temperature If the volume and number of moles of gas are held constant, as the temperature increases the pressure will _____________. Question 9 options: Cannot be determined Decreases Increase Remain the same
Explanation / Answer
Question-1:- How many centiliters are in 0.79 liters? [1 cL = 0.01L]
Ans:- There are 100 centiliters in 1 liter. Therefore = .79 liters x 100 = 79 centiliters
Question 2:- How many milliliters are in 5.2 gallons?
Ans 2- :- Given that 1 gallon = 3.8 L and 1 L = 1000 mL therefore 5.2 x 3.8 x 1000= 19760 milliliters.
Thus 5.2 gallons have 19760 milliliters.
Question.3:- 3.0 x 10^-13 x 4.0 x 10^5 = 1.2 x 10^(?)
Ans-3:- 3.0 x 10^-13 x 4.0 x 10^5 = 12X 10^-8 = 1.2 x 10^7
Question 4
The density of copper is 10.0 g/mL. What is the volume in milliliters of a 503-g ingot of copper?
Answer4:- d= M/v = 10g/ml and M =503 therefore volume 503g /10g/ml = 50.3 milliliters
Question 5 A Pascal (Pa) is defined as the pressure exerted by a force of 1 Newton (N) acting on an area of one square meter (1Pa = 1N/m^2). A Newton is represented by the follwoing units: 1N = kg x m / s^2. Which of the following are also acceptable units for a Pascal?
options: 1Pa = 1kg^2/m^2s 1Pa = 1kg/m^2s^2 1Pa = 1kg/ms 1Pa = 1kg/ms^2
Ans-5 :- 1Pa = 1N/m^2. Put the value of Newton in the unit given= kg x m / s^2/ m^2 = 1kg/ms^2. Thus 1Pa = 1kg/ms^2 is the acceptable units for a Pascal.
Question 6 Solve the following equation for z: 15 = 10z/[2-(2x4)]
Ans: 15 = 10z/[2-(2x4)] or 15= 10z/ -6 or z= 15x-6/10 = -9
Thus z = -9