Remaining Time: 1 hour, 58 minutes, 32 seconds. * Question Completion Status: QUESTION 1 Listed are the masses of different bars of pure iron in grams. Which mass has the highest density? Oa. none of these b. 100 grams Oc. 416 grams QUESTION 2 Thoyolume of the rock is measured and found to rock in u

Q: A sample of vinaigrette salad dressing has a total mass of 188 g, a total volume of 196 cm³, and…

A:

Q: gas is flowing with a velocity of 0.2 m/s in a pipe of with an area of 0.3 m2 and then flows in a…

A:

Q: Ethylene glycol (p = 1123 kg/m³) is mixed with water to create antifreeze. Determine the volume…

A: It is a ratio between the density of a mixture or substance to that of water, which is 1000 kg /m^3.…

Q: A piston has applied Force of 30 N and an area of 9.  A connected piston has an area of 0.8. What…

A:

Q: A sample of pure sodium has a mass of 15.2 g. Calculate the number of moles in the sample and sodium…

A: Given, mass of the sodium, m = 15.2 g

Q: You have a raft made out of 8 logs, each with a diameter of 30 centimeters, length of 2 meters, and…

A: The mass per unit volume of an object is defined as the density of the object, to solve the given…

Q: The molar heat of combustion of a compound is 1,930 kJ/mol. If 0.600 moles of this compound was…

A: Given data: The mass of water m=1656 g The given number of moles n=0.6. The molar heat of combustion…

Q: A person mixes a 2 quart drink into a 2 liter bottle. What percentage will the person fill the…

A: Volume: Volume is a quantity which can give the information about the space inside a three…

Q: A sample of vegetable oil with density 901 kg/m³ is found to have a mass of 0.0479 kg. Find the…

A:

Q: FILL IN THE BLANKS ONLY ANSWER REQUIRED NOT EXPLAINATION 5)When a negatively charged metal touches…

A: An electroscope is an instrument used to detect the presence of electric charge and its polarity. An…

Q: A can contains 333 mL of soda. How much is left after 86 mL are removed?

A: Total volume of the can,  Volume of soda removed from the can,    The volume of soda left in the can…

Q: The following measurements were taken of stacks of 50 coffee filters. Find the average mass of ONE…

A:

Q: A thermocouple was used to measure the temperature of a bucket of water. Multiple measurements were…

A: The temperature of a bucket of water are given as: Temperatures in °F:       72.4      73.1…

Q: A sample of pure sodium has a mass of 11.0 g. Calculate the number of moles in the sample and sodium…

A:

Q: A teacher measured the temperature of water as it was heated on a hot plate. The water started at…

A: Given   T1 = 20.3 °CChange in Temperature =18.8 °C

Q: How many moles of iron is in a 1kg sample of iron?

A: To determine No of moles in 1 kg sample of iron

Q: David needs to fry 18 potatoes per hour for 3.5 hours. He can fry 6 potatoes using one gallon of…

A:

Q: A fire grew to 1500kW in 125 seconds, what is the growth rate

A: Fire growth = 1500 kw time =125 s

Q: How many carbon atoms are in a 1 carat pure diamond that has a mass of 0.20 g?

A: Pure diamond is made up of carbon atoms. So, a 0.2 g pure diamond consists of 0.2 grams of carbon…

Q: the cross product

A:

Q: What is the molarity when water is added to three moles of sodium chloride to make .5 L of solution…

A: Molarity is defined as the number of moles of solute in 1 liter of solution. Given that water is…

Q: A liter of alcohol at zero degree Celsius is heated to 40 degree Celsius. What will be its new…

A: Write the given values and the thermal coefficient of volumetric expansion of the alcohol as…

Q: A doctor prescribes 2 g of a drug, daily, for a patient. The pharmacist has only 500mg tablets…

A: