We use the density of water to calculate the mass of water from its volume. The density of water at 25°C is 0.998 g/mL.    If a calorimeter was filled with 104.6 mL of water, what is the mass of water in grams?

Q: A Honda Accord gets 24 miles per gallon in the city and is estimated to emit 7 tons of CO2 per year.…

A: Given that 7 tons of CO2 emits from Honda Accord per year. 1 ton = 2000 pounds 1 tree absorb 30…

Q: The use of freons is being phased out because of the damage these compounds do to the stratospheric…

A: a.

Q: Define energy and explain the importance of energy in chemistry

A: Science is knowledge about facts that are based on observations of experiments.Chemistry is one of…

Q: Aniline, C6H5NH2, is used to make many different chemicals, including dyes, photographic chemicals,…

A:

Q: If the temperature of the surface of the sun is {5794) K, then calculate its value in Fahrenheit

A: The temperature of two systems is the same when the systems are in thermal equilibrium, physiology,…

Q: When the Statue was unveiled in 1886, it was a shiny brown color, like a penny. The reason the…

A:

Q: Classify each change as physical or chemical. (a) the rusting of iron(b) the evaporation of…

A: Physical change changes the size, shape or phase of substance, Chemical change is a type of change…

Q: The diagram on the left represents the result of a process. Which of the diagrams [(i) to…

A: The diagram which represent the starting material if the process were physical, and which could…

Q: If the price of gold is $1,254 per ounce and the exchange rate is $1 = €0.8925, how many Euros (€)…

A: It is based on basic unit conversion formula based solution. All you need to do is change 100 kg…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: A cheap reliable fertilizer, NH4NO3, adds nitrogen to the soil. If you add 48.5g of fertilizer to…

A: In order to find the amount of nitogen added to the soil we first write down the given data: Mass of…

Q: Butane (C4H10) plus Oxygen yields carbon dioxide plus water

A: Given compound is butane. Butane reacts with oxygen to form carbon dioxide, water and liberate large…

Q: A device used to produce distilled water for a chemistry lab consumes 10,000 watts (W) of…

A: Given : Volume of water used = 10.0 L Power of electricity used = 10,000 W And amount of heat…

Q: Two solid objects, A and B, are both at room temperature and then placed in boiling water. The…

A: Heat capacity - it is the amount of heat required to change the temperature by 1 Degree.

Q: Two solid objects, A and B, are both at room temperature and then placed in boiling water. The…

A: Heat capacity is the amount of energy in the form of heat,  takes for increasing the temperature of…

Q: What mass of iron in the nail reacted with the water?

A:

Q: A gallon is 4 quarts. The volume of a liter is slightly larger than a quart. If you put 13.5 gallons…

A: The substances that can be employed to generate heat and hence to produce the power to do an…

Q: Which of the following statements describe a physical property? i. A property which can be observed…

A: A physical property is a characteristic of a substance that can be observed or measured without…

Q: The total weight of copper in a vehicle ranges from 15 kilos for a small car to 28 kilos for a…

A: The weight will affect the car acceleration and deacceleration which tells that how better a car can…

Q: Which of the following represent a chemical change? Which of the following represents a physical…

A: We are to discuss which of gives changes are physical and chemical changes.

Q: A) Which term describes the conversion of substances into different substances? ionic bonding…

A: Conversion of one type of substances into other substances is take place through a reaction.

Q: Classify each of the following processes as a physical change or a chemical change and as an…

A: Hydrochloric acid is a very strong acid which also vaporises at room temperature which makes it…

Q: The process in which adding a chemical compound to another chemical compound and observe physical…

A: Since we are observing physical changes only. Physical properties reflect quality of a substance.…

Q: Complete the table for Experiment 2 and find the kinetic energy of different masses of cars…

A: In the given question we have to calculate the kinetic energy of different masses of cars travelling…

Q: The combined mass of the flask, stopper, calcium chloride solution, test tube, and sodium sulfate…

A: Given:  Combined mass of the flask, stopper, calcium chloride solution, test tube, and sodium…

Q: 2.96×104 J  to Cal Express the value in Calories to three significant figures.

A: We know that, 1 Cal = 4.184 J  1 J = 1/4.184 Cal

Q: Two solid objects, A and B, are both at room temperature and then placed in boiling water. The…

A: Heat capacity is amount of heat required by the object to change its temperature by degree 1.

Q: if a food label identifies the total number of kilocalories in a bowl of cereal as 140 and the…

A: The total energy in a bowl of cereals = 140 kilocalories  The energy supplied by carbohydrates =…

Q: Which of the following units of energy is defined as the heat it takes to raise the temperature of 1…

A: Correct Answer - E) calorie  Because calorie is defined  as the amount  of heat is required  to…

Q: A chemical reaction takes place to allow hand warmers to give off heat. This is an example of a(n)…

A:

Q: Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He…

A: The basis to answer this question is the law of conservation of mass.

Q: Classify each property as physical or chemical. a. the boiling point of ethyl alcohol b. the…

A: Physical property: Property of material which can be obtained without disturbing identity of…

Q: The average adult human burns 2.00 × 10° kcal per day in energy. What is this rate in kJ per hour ?

A: Given: Energy= 2.00×103 To find: The rate of energy in kJ per hour

Q: Electrical energy is measured in kilowatt hours, kWH. A watt is 1 joule per second, a kilowatt is…

A: Killowatt hour is an unit of energy . Energy has another unit, calorie.  Different units can be…

Q: If an electric car is capable of going 225 km on a singlecharge, how many charges will it need to…

A: Since 1 km = 0.621 miles The charges as the trip begin with a full charge is calculated as Since 1…

Q: Carry out each of the following calculations, paying special attention to significant figures,…

A: Significant figures can be defined as a total number of digits in number including the last digit…

Q: Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He…

A: In the experiment of Franklin, the mass of the reactant material is 35 g. But after the reaction,…

Q: In a calorimetry experiment in a Chemistry for Engineers Laboratory class, a 12.9 - g sample of…

A: The addition of a certain amount of heat to a substance will alter its temperature. The change in…

Q: The SI unit for energy is the joule (J), which is equal to the kineticenergy possessed by a 2.00-kg…

A: Conversion of velocity from m/s to mph is done in the following way, m to km, km to mi, and s to h,…

Q: Automobiles are often implicated as contributors to global warming because they are a source of the…

A: In a balanced chemical reaction the reactions react and products form in the molar ratio of their…

Q: Energy consumption in the United States produced 4.57 x 10^6 metric tons of carbon dioxide emissions…

A: Given: Mass of CO2 = 4.57 X 106 metric tons.

Q: Two students were tasked to weigh 100 mg of sodium chloride (NaCl). Student A pressed the tare…

A: The given data contains, mass of weighing paper = 0.0011 g. mass of weighing paper plus NaCl is…

Q: Sodium and potassium are both shiny metals in pure form, but corrode rapidly in the presence of…

A: The reaction of sodium and potassium with oxygen gas and humidity can be shown through the balanced…

Q: he distance between atoms is sometimes given in pico-meters, where 1 pm is equivalent to 1 × 10^–12…

A: Given : distance between layers in pm = 568 pm

Q: 1. Heat is best defined as massless substance emitted when something burns. a form of potential…

A: Heat is the form of energy that is transferred between two substances at different temperatures.The…

Q: Is the following chemical or physical change endothermic or exothermic? co2 + H20 + sunlight →…

A: The chemical change is the change that substance completely changes its’s composition and formed a…

Q: Classify the following as a physical property or a chemical property. (a) Copper metal has a…

A: Whether the given property of copper is physical or a chemical has to be stated.

Q: List each as being a physical or a chemical property: copper sulfate is blue, iron is a solid, water…

A: Given: Copper sulfate is blue, iron is a solid, water melts at 0°C, gasoline is flammable, magnesium…