Give three (3) examples for each Independent and Dependent Variable.

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A:

Q: You have a 15.0 gram sample of gold at 20.0°C. How much heat does it take to raise the temperature…

A: Heat supplied, Q = msdt

Q: A cook wants to heat 1.35 kg of water from 32.0oC to100.0 oC. If he uses the combustion of natural…

A: It is given that 1.35 kg of water will be heated from 32°C to 100°C using natural gas, which…

Q: Water (2430 g ) is heated until it just begins to boil. If the water absorbs 5.85×105 J of heat in…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: 1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment.…

A: Mass of solute = 10.5 gMass of solution = 86.4 g

Q: Joules (J) are a measure of energy.  Chemists often measure energy in calories (cal).  If 1 cal =…

A:

Q: How much heat energy is required to raise the temperature of 0.366 kg of copper from 23.0 ∘C to 60.0…

A: The heat energy required to raise the temperature can be calculated as follows,

Q: A student eats pasta to fuel her for the track competition the next day. As converted to energy,…

A: Law conservation of energy states that energy can neither be created nor destroyed.

Q: We pack two identical coolers for a picnic, placing 24 12-ounce soft drinks and five pounds of ice…

A: When two objects are kept together in contact and both of them possess different temperature then…

Q: If 32.2 g of ethanol at 21.5 °C absorbs 2.39 kJ of heat, what is the final temperature (in C) of the…

A:

Q: A microwave at 600 watts heats up a cup of water of 150ml from 20 degrees Celsius to 61 degrees…

A: The density of water is 1.0 g/mL. Therefore, mass of 150 mL water is 150 g.

Q: Ethanol, C2H6O, reacts in the body via the following equation: C2H6O(aq)+3O2(g) →2CO2(g)+3H2O(l)+327…

A: From given balanced equation there is demand to find amount of ethanol when 1390 KJ of heat is…

Q: The "Farmhand Cut" of prime rib at Farmer Browns Steak House weighs in at 20 ounces, of which 6.0…

A: Given: Total Nebraska beef fat = 6.0 ounces = 170.098 g               (Since 1 ounce = 28.34 g)…

Q: If 10.0 g of cream at 15.4°C are added to an insulated cup containing 100.0g of coffee at  72.2°C.…

A: Specific heat of the substances is same as water i.e 4.18 j/gc

Q: J cal kJ 598 113 0.810

A: To convert the energy units, suitable conversion factors are required. The given energy units are…

Q: A piece of unknown substance weighs 56.6 g and requires 3.56 kJ to increase its temperature from 312…

A:

Q: How many times more kinetic energy does the dump truck have than the car?

A: Given: Mass of sub compact car =1.6×103 Kg Mass of dump truck =1.70×104 Kg Speed of both truck and…

Q: You are performing an experiment where you place 6.4673 g of Al metal at 209.82 C into a coffee cup…

A: Given, mass of Al metal =6.4673 g at 209.82 °CA coffee cup calorimeter that contains 87 g of water…

Q: The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is…

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: An unknown substance weighs 450.0 grams and had a temperature change from 130 degrees celsius to 80…

A: The mass of the solid substance is m = 450.0 g. The initial temperature is Ti = 130oC. The final…

Q: Convert 595 cal to units of J.

A: While converting from one unit to another of same dimension, a conversion factor is to be…

Q: 1.) In the laboratory a student finds that it takes 4.75 calories to increase the temperature of…

A: 1) Given: Mass of lead = 10.4 g. Amount of heat added = 4.75 calories. The initial temperature of…

Q: Calculate the amount of heat needed to boil 186. g of octane (C8H18), beginning from a temperature…

A: Answer:Since, boiling point of octane is 125.60C and melting point of octane is -570C, therefore at…

Q: A sample of silver (cs = 0.235 J/(g-°C)) is heated to 84.92°C and then dropped into 31.53 g of water…

A: Specific heat: Amount of energy required to raise the temperature of water by one degree. We can…

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. J 1 n J…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  868.0mg…

A: Answer:Here:

Q: Convert 3.20 x 10' in nutritional Cal to units of kJ.

A: Given that,Energy in Cal = Convert into kJ.

Q: How much heat in kJ must be added to 175 g of w

A: Specific heat capacity of any material (represented as c) is amount of heat required to raise 1 gram…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅°C). What is the final temperature if 305…

A:

Q: Calculate the kinetic energy of a 2.1 X 10^14 kg comet moving at a speed of 17.0km/s Round your…

A: Kinetic energy is defined as the energy generated due to motion of a moving object. It has CGS unit…

Q: A new linear temperature scale, degrees Zunzol (∘Z∘Z), is based on the freezing point and boiling…

A:

Q: How much heat, in Joules, is absorbed by 60 g of water in order to increase in temperature from 23°C…

A: Interpretation: The amount of heat, in joules absorbed by 60 g of water in order to increase in…

Q: In the US, nutritional energy is reported in Calories (Cal). One nutritional Calorie is equal to one…

A:

Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: 1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment.…

A: Mass of acetone = 10.5 gMass of solution = 86.4 g

Q: It takes 572  kJ  of energy to decompose 2.00  mol  of liquid water. How much energy does it take to…

A:

Q: A 43.97 kg cheetah is running after a gazelle at 22.49 m/s. What is the kinetic energy of this…

A: Given mass of cheetah  = 43.97 kg  velocity               = 22.49 m/sec Kinetic Energy    = ?

Q: How much heat, in kJ, does it take to heat a 3 kg block of aluminum (specific heat capacity = 0.897…

A:

Q: The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to…

A: The objective of this question is to find out how long it would take for an athlete to burn off 1.0…

Q: chemistry

A: Dear student I have given answer to your question in the image format.

Q: Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (l) + 3 O2 (g) → CO2…

A:

Q: A sheet of gold weighing  8.6g and at a temperature of 14.9C  is placed flat on a sheet of iron…

A: Given Mass of gold = 8.6 g Temperature of gold = 14.9°C Mass of iron = 19.6 g Temperature of iron =…

Q: 227.9 Joules of heat are added to 25.96 grams of a liquid, raising the temperature of the liquid…

A: Heat added= Cp*m*∆T  Cp specific heat capacity  m is mass  ∆T change in temperature

Q: Heat capacity is the number of joules (J) per Kelvin (K). The heat capacity was 15.080 J/K. What is…

A: Given: Heat capacity in J/K = 15.080 J/K.

Q: The heat required to raise the temperature of a large cup of water(for coffee) from room temperature…

A: Heat required (q) = 100KJ  We know that:  1kcal = 1000cal = 4.184KJ