A vanilla milkshake at a restaurant contains 542 calories. What quantity of energy is in this shake in joules?

Q: Which of the following is not a chemical change? A. burning coal B. making bread rise using baking…

A: A chemical change is a change in which the initial compound is having different structure or formula…

Q: if a gas stove releases 120 kJ of heat energy, what is the energy in kilocalories? (1 cal = 4.184 J)

A: Relation : 1 cal = 4.184 J 1 J = 14.184 cal 120 kJ = 120 x 14.184 kcal            = 28.68 kcal

Q: Which change is a physical change?a) wood burningb) iron rustingc) dynamite explodingd) gasoline…

A: A change is said to be physical only when change in the appearance of a matter takes place but its…

Q: The combustion of a peanut releases 6 kcal of heat. Convert this energy to J.

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: A college student produces about 101 kcal of heat per hour on the average. What is the rate of…

A: According to the rule of conversion of the unit, 1 cal is equal to 4.184 J So, (1×103) cal is equal…

Q: 1. In a change, one kind of matter is turned into another.

A: The answer to the following question is--

Q: one

A: Two Different objects were put in Water. One floats but another one is sunk.

Q: A student mixes some soap with water and then blows through a straw into the solution. is it a…

A: Physical changes are those which do not involve any chemical reactions to be taking place only the…

Q: You burn a 0.6 g jellybean to warm 13 g of water, which increases the temperature of the water 2 °C.…

A:

Q: How does an element differ from a compound? How are they similar?

A:

Q: A breakfast of cereal, orange juice, and milk mightcontain 230 nutritional Calories. Express this…

A: Given: A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories

Q: Energy that moves particles of matter is: Temperature

A: Need kinetic energy for particles movement.particles colloid with each other then increase in…

Q: A household receives a $145 electricity bill. The cost of electricity is $0.120/kWh. How much…

A: Given, total electricity bill = $145           cost of electricity = $0.120/kWh Now, total energy…

Q: State the law of conservation of energy in yourown words.

A: The potential of the body that helps to perform some work is defined as energy. To evolve the life…

Q: How would you distinguish mixtures from substances based on a set of properties? Give examples

A: Substance is that class of matter which is made of only one type of atom or molecule while as…

Q: The combustion of 45.0 g of methane (natural gas) releases 2498 kJ of heat energy. How much energy…

A:

Q: How many calories 5000 Joules are?. No computation, no points

A: There are different units of heat-  1- joule 2- calorie

Q: A tablespoon of olive oil contains 115 nutritional calories. How many joules of energy are in this…

A: Given : energy in calories = 115 cal.

Q: estion 23 of 26 While driving your rental car on your vacation in Europe, you find that you are…

A:

Q: What are some differences between physical and chemical properties or changes?

A: We have to describe the difference between the physical and chemical properties or say physical and…

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: 2. A small car has a fuel efficiency of 34.3 miles per gallon. What is this fuel efficiency in…

A:

Q: Particles of solid liquid gas -Energy and movement of particles in solid liquid gas -Spaces between…

A: States of matter.

Q: What are two ways that physical changes are differnt from chemical changes?

A: Given changes,         Physical changes and chemical changes

Q: When you put salts in the fire during a flame test, the flame turns a different color. Is this a…

A: When we puts salt in fire during flame test the flame turns to a different color.

Q: A low dose aspirin tablet contains 82 mg of aspirin how many tablets can obtain from 50.g  of…

A: Given that a tablet contains 82 m g of aspirin. The mass has to be converted into grams.

Q: If a red and green solution are mixed and an orange mixture esults, is this evidence of a physical…

A: Physical change is the change in which physical property of the compound changes and it is…

Q: Which is of the following is an example of a physical property? A) lead forming lead oxide in the…

A: We have to predict Physical and chemical change along with density and volume calculation.

Q: How does a homogeneous mixture differ from a pure substance? How are they similar?

A: Difference between Pure substance and Homogeneous mixture:A pure substance is composed of a single…

Q: How many Calories are in 4406 J? Round to two decimal places.

A: The magnitude of a quantity in one unit can be converted to the other unit by addition, subtraction,…

Q: 3. Which of the following states of matter has a fixed volume and a fixed shape?

A:

Q: Which of the following processes is a physical change? (a) evaporation of water; (b) combination…

A: In physical change, there is no change in the chemical composition.

Q: Energy that an object has by virtue of its motion is called

A: Energy of object by virtue of motion is called kinetic energy

Q: You're in a diet that calls for eating no more than 1200 Cal/day. What is this energy in joules?

A: The energy form Calories can be converted into energy form of joules.1200 Calories/day means 1200…

Q: List physical properties of eggs before andafter they are cooked. Based on your observations, doesa…

A: A chemical change means that something is permanently changed and there's no way to get it back.

Q: What is the density of cooking oil in g/mL?

A: At room temperature generally, the density of cooking oil is considered as  910 g/L.  So,    1 L =…

Q: What mixture do all ingredients maintain their physical state?

A: There are mainly two type of mixture - (1) Homogeneous mixture - These are those mixtures which are…

Q: If a 1.25 pint bottle of soda contains 10 mL of caramel color, how many liters of caramel color are…

A: Given : Volume of caramel colour in 1 soda bottle = 10 mL Number of flats in truck = 20  Number of…

Q: 1.14 Classify each of the following as a pure substance or amixture. If a mixture, indicate whether…

A: The uniform distribution of solute particles in a solvent is called homogeneous solution. For…

Q: Would a car be able to travel more miles on a gallon of gasoline or a gallon of gasohol?

A: From the given we need to find out among gasoline or gasohol is better for a car to travel.

Q: A certain quantity of water is given 4.0kL of heat. This raises the temperature by 30 degrees…

A: NOTE: The units of heat will be KJ and not KL. Given: Amount of heat absorbed = 4.0 KJ = 4000 J…

Q: B. Heterogeneous mixture D. Pure substance Ca²+? Q5 A combination of sand, salt, and water is an…

A: The sand,salt and water is an example of Heterogeneous mixture.

Q: Part C If distilled water sells in a grocery store for $1.19 per gal. what peroentage of the sales…

A:

Q: Blueberry high-fiber muffins contain 58 %% dietary fiber by mass. If a package with a net weight of…

A: Introduction :  We have to calculate grams of fiber in each muffin . Given: 58% dietary fibre by…

Q: A man makes breakfast He puts some toast in the toaster and mixes some eggs with a milk As he begins…

A: Given: Burning of a toast. Digestion of food. Burning of gas. And straining of orange juice.

Q: Which of the following are chemical changes? a. Sawing a log b. Copper oxidizing c. burning a log…

A: Physical change : In the physical change substance can not forming new different substance and it is…

Q: Is the boiling point of a chemical a physical property or chemical property?

A: Boiling point of a liquid is defined as the temperature at which vapor pressure of the liquid…

Q: per

A: 19 miles journey consume fuel= 1 gallon So 1 mile consume fuel=1/19 gallon  Hence 545 miles consume…

Q: Could you please explain the law of conservation for match sticks.

A: Let us consider the question as “explain the law of conservation of mass for burning of match…

Q: Which of the following changes is considered a chemical change? O a. Dissolving of sugar in water. O…

A: Given processes: Dissolving of sugar in water Crushing rock salt Evaporation of alcohol Melting of…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.