A 571.4 mL sample of carbon dioxide was heated to 371 K. If the volume of the carbon dioxide sample at 371 K is 820.7 mL, what was its temperature at 571.4 mL?

Q: The speed of light in a vacuum is 2.998X10⁸m/s. What is itsspeed in (a) km/h; (b) mi/min?

A: Speed of light- This phenomenon is is proposed by Einstein in 1905. It is denoted by ‘c’. It is…

Q: What volume (in L) does a 3.88 mol sample of hydrogen gas occupy at STP? (Do not show your work in…

A: Number of moles is calculated by dividing the given mass with molecular mass

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A:

Q: The volume of blood ejected by the humming birds heart per beat is approximately 1cm3. The average…

A: Volume of blood ejected in one beat = 1 cm3 Volume of blood ejected in 1250 beats (1 min): Volume=1…

Q: Ten grams of water and ten grams of iron are exposed to the sun side by side for exactly one hour.…

A: Given: Mass of water = mass of iron = 10 g. And time passed = 1 hour.

Q: A sample of carbon monoxide initially at 25.0 °C was heated to 50.0 °C. If the volume of the carbon…

A: Charles law says that at constant pressure, volume is directly proportional to the temperature. We…

Q: If a 25.0 g sample of copper shot at 458 degrees C is placed into 125 g water at 19.6 degrees C,…

A: Given: Mass of copper= 25.0 g Mass of water= 125 g Initial temperature of copper= 458 C Initial…

Q: Dermatologists use liquid nitrogen to freeze skin tissue. If the Celsius temperature of liquid…

A: The given data contains,  Temperature = -196°C

Q: A 19.0 g sample of O₂ at standard temperature and pressure (STP) would occupy what volume in litres?

A: STP means standard conditions of temperature i.e. 273.15 K and pressure i.e. 1 atm

Q: A hot air balloon has a volume of 5.55 x 104 m3 at 57°C. a. What would be its volume at 27°C? b. At…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: Write any 4 properties of gases and liquids.

A: Properties of gases 1. Gases are easy to compress. 2.Gases occupy far more space than solid and…

Q: Given the measurement of 7.00 L,  (a) what is the accuracy of this measurement? (b) what is the…

A: (a) The accuracy of 7.00L is 2.(accuracy of a number is the number of digits to the right of the…

Q: A sample of carbon monoxide initially at 97.0°C was heated to 194°C. If the volume of the carbon…

A: Volume of CO2 at 194°C, V1 = 670.8 mL T1 = 194°C = 467 K Volume of CO2 at 97°C, V2 = ? T2 = 97°C =…

Q: one

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

Q: A sample of water is heated from room temperature to justbelow the boiling point. The overall change…

A: The temperature change in kelvins has to be given.

Q: the A sample of argon weighing 11.1 g occupies a volume of 15.7 L. What is the new volume if the…

A: [2.]  m1 = 11.1 g  V1 = 15.7 L  V2 = ?  m2 = 22.2 g  Molar mass of Ar = 39.948 g/mol n1 = 11.1 g /…

Q: A 324.0 mL sample of carbon dioxide was heated to 303 K. If the volume of the carbon dioxide sample…

A: This question is simple conceptual problem and based the "Charles law". In this question we have to…

Q: 1. The density of ice at 0°C is 0.9168 g mL-1, and that of liquid water at 0°C is 0.9999 g mL-. (1)…

A: Density of a substance is defined as mass of substance per unit volume. SI unit of density: kilogram…

Q: A 505.9 mL sample of carbon dioxide was heated to 351 K. If the volume of the carbon dioxide sample…

A:

Q: A ball of silver at 125 °C was added to 65 mL of H2O at 25 °C and the temperature rose to 45 °C.…

A: Heat loss (Q(Ag)) by the silver ball and heat gain (Q(water)) by the water body is calculated as…

Q: The mass of a piece of metal at 172.3 K was found to be 27.0 grams.  What is the density of the…

A: Given that,Mass of piece of metal = 27.0 gVolume = 5.8mLNow you calculate the density in mg/L

Q: Household ammonia is a solution of ammonia gas and water, and it is used as a general purpose…

A:

Q: If a soft-drink bottle whose volume is 2.00 L is completely filled with water and then frozen to -10…

A: Density of water at 25°C = 0.997 g/cm3  Density of ice at  -10°C = 0.917 g/cm3  Volume of water =…

Q: A flask with a volume of 500.0 mL contains air with a density of 1.264 g/L. What is the mass of the…

A: At the standard temperature and pressure conditions, density is defined as the mass per unit volume.…

Q: A. A balloon at 25°C has a volume of 595 mL. If the temperature is raised, will the volume increase,…

A: A. For a definite amount of gas, at constant pressure, the volume of the gas increases with an…

Q: A small hot-air balloon is filled with 1.02×106 L of air (d = 1.20 g/L). As the air in the balloon…

A:

Q: A small hot-air balloon is filled with 1.02×106 L of air (d = 1.20 g/L). As the air in the balloon…

A: Step 1:We have given a hot air balloon which is filled with 1.02×106 L of air and this air is then…

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

A: Average volume of the pollutant released by the three plants= 1/3 ×( sum of the volumes of the…

Q: A 2.0-liter volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of…

A: Step : 1             Does oxygen undergo a chemical or physical change?

Q: A solid white substance A is heated strongly in the absence of air. It decomposes to form a new…

A: Given: Solid white substances is heated in the absence of ar to produce a new white substance B and…

Q: What metric units are used to measure temperature?

A: The metric system is termed as the preferred system of scientific units. Temperature is defined as…

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

A: otal volumes of pollutants produced by the plants is (0.32+19.0+14.9)L =34.22L We have 3 types of…

Q: You are asked to calibrate a 25.00 mL volumetric pipet. You determine the temperature of your…

A: To calculate the volume of pipet we require the mass and density of water.The empty mass of beaker…

Q: A 540.3 mL sample of carbon dioxide was heated to 307 K. If the volume of the carbon dioxide sample…

A: Given: Initial Volume V1 = 540.3 mL = 0.5403 L Initial Volume V1 = 789.6 mL = 0.7896 L.  Final…

Q: A balloon with an initial volume of 2.5 L at a temperature of 296 K is warmed to 396 K. Part A What…

A: Given data is as follows: The initial volume of balloon V1 = 2.5 L The initial temperature of…

Q: A solid sample weighing 12.10 g occupies a volume of 0.0150 L. Will the solid float or sink in…

A: Density of the substance is equal to the ratio of mass to the volume. Substance having low density…

Q: Pure oxygen diffuses through an aperture in 224 seconds, whereas a mixture containing 80% oxygen gas…

A:

Q: An 18 g sample of water is decomposed into 2g of hydrogen gas and 16 g of oxygen gas. What masses of…

A:

Q: The distance from Earth to the Sun is 1.50 x 10 km. What is the distance expressed in gigameters?…

A: Convert Km to Gm ---

Q: The density of air at ordinary atmospheric pressure and25 °C is 1.19 g>L. What is the mass, in…

A: Density is the ratio of mass with respect to volume and it is given as  Density (D)= Mass (M)Volume…

Q: A sample of carbon monoxide initially at 89.0 °C was heated to 178 °C. If the volume of the carbon…

A:

Q: same volume of ethyl ether vapor to pass through the same hole? b) What volume of chlorine will…

A: Molar mass of O2(M1) = 32 g Molar mass of ethyl ether(M2) = 74 Rate of effusion = Volume…

Q: A sample of helium gas occupies 0.475 L. What is this volume in cm3?

A:

Q: Question attached

A: Theory or Law, though both sounds similar, they are never synonymous. Theory: Suppose, take ‘Bing…

Q: A 145.3 mL sample of carbon dioxide was heated to 301 K. If the volume of the carbon dioxide sample…

A: Charles law states that the volume of an ideal gas is directly proportional to the absolute…

Q: A sample of Nitrogen gas occupies a volume of 217.6 ml at 86.3°C. What volume will it occupy at…

A:

Q: How many units between the freezing point and boiling point of water do two of the three temperature…

A: As we know that three common temperature scales in use today are the Fahrenheit, Celsius, and Kelvin…

Q: What is the force in newtons acting on a 5.2 kg package of nails that falls off a roof and is on its…

A: Since ,          F= m x a  where F= force          m= mass         a = acceleration

Q: A pipe leaks water at a rate of 1.24 mL/s. What is the rate of the water leak in L/hr?

A: Given, rate of water leak = 1.24 mL/s We need to convert the unit of water leak from mL/s to L/hr.

Q: A sample of neon occupies 250 mL at 22 degrees C. what volume would it occupy at 45 degrees C

A: Given values are, Volume V1= 250 mL Temperature T1= 22°C Temperature T2=45°C Volume V2=?