(a)
Interpretation:
The unit conversions of the given set of temperatures have to be given.
Concept introduction:
Conversion of temperature units in between degree Celsius and Kelvin is given by
To convert: The unit of the given temperature from degree Fahrenheit to degree Celsius
(a)
Explanation of Solution
Convert the given temperature into degree Celsius unit
Given temperature is
The unit of the given temperature was converted from degree Fahrenheit to degree Celsius by the application of conversion formula.
(b)
Interpretation:
The unit conversions of the given set of temperatures have to be given.
Concept introduction:
Conversion of temperature units in between degree Celsius and Kelvin is given by
To convert: The unit of the given temperature from degree Celsius to degree Fahrenheit
(b)
Explanation of Solution
Convert the given temperature into degree Celsius unit
Given temperature is
The unit of the given temperature was converted from degree Celsius to degree Fahrenheit by the application of conversion formula.
(c)
Interpretation:
The unit conversions of the given set of temperatures have to be given.
Concept introduction:
Conversion of temperature units in between degree Celsius and Kelvin is given by
To convert: The unit of the given temperature from degree Celsius to degree Fahrenheit
(c)
Explanation of Solution
Convert the given temperature into degree Celsius unit
Given temperature is
The unit of the given temperature was converted from degree Celsius to degree Fahrenheit by the application of conversion formula.
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Chapter 1 Solutions
Chemistry
- 1-86 The specific heats of some elements at 25oC are as follows: aluminum = 0.215 cal/g · oC; carbon (graphite) = 0.170 caI/g oC; iron = 0.107 cal/g mercury = 0.033 1 caI/g oC. (a) Which element would require the smallest amount of heat to raise the temperature of 100 g of the element by 10oC? (b) If the same amount of heat needed to raise the temperature of 1 g of aluminum by 25oC were applied to 1 g of mercury, by how many degrees would its temperature be raised? (c) If a certain amount of heat is used to raise the temperature of 1.6 g of iron by 10oC, the temperature of 1 g of which element would also be raised by 10oC, using the same amount of heat?arrow_forward(a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in g/cm3 at this temperature?(b) The density of titanium metal is 4.51g/cm3 at 25 °C.What mass of titanium displaces 125.0 mL of water at 25 °C? (c) The density of benzene at 15 °C is 0.8787 g/mL. Calculatethe mass of 0.1500 L of benzene at this temperature.arrow_forwardA typical candy bar weighs about 2 oz (1.00 oz = 28.4 g).(a) Assuming that a candy bar is 100% sugar and that 1.0 g of sugar is equivalent to about 4.0 Calories of energy, calculate the energy (in kJ) contained in a typical candy bar.(b) Assuming that your mass is 58 kg and you convert chemical potential energy to work with 100% efficiency, how high would you have to climb to work off the energy in a candy bar? (Potential energy = mass × g × height, where g = 9.8 m/s2.)(c) Why is your actual conversion of potential energy to work less than 100% efficient?arrow_forward
- (4) The normal melting point of gold is 1064.5 °C and its boiling point is 2660 °C. (a) Convert these two values to the Fahrenheit and Kelvin scales. (b) Find the difference between those two values in Celsius. (c) Repeat (b) using the Kelvin scale. (6) The Eiffel tower is built from iron and it is about 324 m high. Its coefficient of linear expansion is approximately 12 x 10-6 (C°)¯l and assumed constant. What is the increase in the tower's length when the temperature changes from 0°C in winter to 30°C?arrow_forwardWhile being driven from Philadelphia to Atlanta, a distance of about 1250 km, a 2014 Lamborghini Aventador Roadster uses 213 L gasoline.(a) What (average) fuel economy, in miles per gallon, did the Roadster get during this trip?(b) If gasoline costs $3.80 per gallon, what was the fuel cost for this trip?arrow_forwardThe thermostat shows that the room temperature is 21.7°C. Convert 21.7°C to Kelvin and Fahrenheit units. Be sure to answer all parts. (a) K (b) PFarrow_forward
- Express the answers to the following calculations inscientific notation:(a) 145.75 + (2.3 × 10−1)(b) 79,500 ÷ (2.5 × 102)(c) (7.0 × 10−3 ) − (8.0 × 10−4) (d) (1.0 × 104 ) × (9.9 × 106)arrow_forwardLight travels in a vacuum at a speed of 3.00 × 108 m s-1 .(a) Convert this speed to miles per second.(b) Express this speed in furlongs per fortnight, a littleused unit of speed. (A furlong, a distance used in horse racing, is 660 ft; a fortnight is exactly 2 weeks.)arrow_forwardThe calorie (4.184 J) was originally defined as the quantity of energy required to raise the temperature of 1.00 g of liquid water 1.00°C. The British thermal unit (Btu) is defined as the quantity of energy required to raise the temperature of 1.00 lb of liquid water 1.00°F.(a) How many joules are in 1.00 Btu (1 lb 453.6 g; a changeof 1.0°C= 1.8°F)?(b) The therm is a unit of energy consumption and is defined as 100,000 Btu. How many joules are in 1.00 therm?(c) How many moles of methane must be burned to give1.00 therm of energy? (Assume water forms as a gas.)(d) If natural gas costs $0.66 per therm, what is the cost per moleof methane? (Assume natural gas is pure methane.)(e) How much would it cost to warm 318 gal of water in a hottub from 15.0°C to 42.0°C (1 gal 3.78 L)?arrow_forward
- Calculate the quantity of heat required to raise the temperature of 20.0 g of water from 19.1 °C to 30.6 °C. Calculate the final temperature, in degrees Celcius, when 85.0 g of water, initially at 21.7 °C, absorbs 4.41×103 J of heat. °C (do not include the temperature unit in your response as it is already specified)arrow_forwardExpressing amounts of energy in different energy units is necessary to solve many chemistry problems. For practice, complete the following table. The Joule (J) is the SI unit of energy. The calorie (cal) is the amount of energy needed to raise the temperature of 1 g of water by 1°C, 1 cal = 4.184) The British Thermal Unit (BTU) is the amount of energy needed to raise the temperature of 1 pound of water by 1°F. 1 BTU - 1055J BTU 7.67 kJ 0.463 kcal 0.181arrow_forward1.42 (a) and (b)arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div