additional force is needed for the box to remain stationary

Q: Liquid X is known to have a lower viscosity than Liquid Y. Use this fact to predict the result of…

A: Given information, Liquid X has lower viscosity than liquid Y. Viscosity of a liquid represents…

Q: the few point temperature

A:

Q: 220.9mL sample of carbon dioxide was heated to 337K. If the volume of the carbon dioxide sample at…

A: The experimental gas relating the relationship between temperature and volume is called Charles’s…

Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Nebraska…

A: It is required to calculate, to what height above the surface, in km, will the mini marshmallow…

Q: A 276.6g sample of water at -13.5 Celsius is taken to a final temperature of 14.46 Celsius. How…

A: Given  mass of water = 276.6 g  initial temperature = -13.5o C final temperature  = 14.46o C…

Q: The energy needed to raise the temperature of an object 1oC"

A: A multiple choice question based on specific heat, which is to be accomplished.

Q: Enter a balanced equation for the reaction between solid iron(II) oxide and solid carbon that…

A: Given data:  Reaction: Solid iron(II)oxide and solid carbon react to form solid iron and carbon…

Q: A 2.94 g lead weight, initially at 11.1 ∘C, is submerged in 7.93 g of water at 52.7 ∘C in an…

A:

Q: If n and V are constant, q is equal to

A: Given : n and V are constant.

Q: If molecules of hydrogen, nitrogen, oxygen and chlorine have the same kinetic energy which molecule…

A: average kinetic energy of molecule = (3/2)KT For all molecule at same temperature

Q: An 21.1-g ice cube at 0°C is placed onto a 325-g block of aluminum. Calculate the temperature change…

A: The heat energy is absorbed from the aluminum block and it is used for the melting of ice cube.

Q: will delta H be negative, because heat will be released.

A: Answer:  In this problem reactants will be considered as system and water surrounding it will be…

Q: Define the term Planck constant?

A: Plank equation is determined as -  E =hν  Where, h = Planck's constant             v = Frequency of…

Q: According to the kinetic theory of gases, in a collision between two molecules the kinetic energy of…

A: The statement is True.

Q: Calculate the amount of heat needed to boil 80.0g of hexane (C6H14), beginning from a temperature of…

A:

Q: (Q31) Given that a sample of krypton gas effuses in 18.4 minutes, how long (in minutes) will it take…

A: Solution - According to the question - Given - m1 = Mass of krypton  = 83.79 m2 = Mass of oxygen  =…

Q: Humans and other mammals breathe in oxygen from the air for respiration. Breathing allows us to pull…

A: When air comes inside the lungs this process called as inspiration whereas, when air goes outside…

Q: Write out the equation for the First Law in differential form and define each term.

A: The first law of thermodynamics can be described as the change in internal energy is equal to the…

Q: What error would be introduced into the determination of the density of a solid object, if air…

A: Density is defined as the mass per unit volume.

Q: On a cold 14.3 °C day, a basketball has deflated to a volume of 6.97 L.  To what temperature, in oC,…

A: The gaseous state is the state of matter with least intermolecular force of attraction between…

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: The tire is inflated (while cold) to a volume of 11.7 LL and a gauge pressure of 36.0 psipsi at a…

A: The relationship between the temperature, pressure, and volume of the initial and final state of an…

Q: A 75.0 g piece of copper metal at 95.0°C is in contact with 30.0 g of water at 22.5°C.  Assuming no…

A:

Q: Gives the possible combinations of pressure and temperature at which certain physical state or…

A: A phase diagram represents the change in physical states of a substance with changes in temperature…

Q: A balloon with a volume of 1.41 L at a temperature of 300.0 K is heated to 350.0 K. What is the new…

A: V1 is 1.41 L T1 is 300 K T2 is 350 K V2 = ?

Q: Volume (L) 10.0 50.0 75.0 100.0 Temperature(K) 319.2 326.1 330.4 334.1 The data above indicates…

A: For plotting graph for the given values of volume and temperature, the temperature has to be plotted…

Q: (Q31) Given that a sample of krypton gas effuses in 22.7 minutes, how long (in minutes) will it take…

A: Graham's law of effusion of gases : rate of effusion of A ÷ rate of effusion of B = √( molar mass of…

Q: H2(g)+P4(g)→PH3(g)H2(g)+P4(g)→PH3(g) Express your answer as a chemical equation. Identify all of the…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: A 251.3g sample of water at 5.3 Celsius is taking the freezing 0 Celsius how much energy was…

A: Given, Mass of Water = 251.3 gms = 0.2513 kg Change in Temperature = (0°C - 5.3°C) = (273 K - 278.5…

Q: A column of liquid is found to expand linearly on heating 5.25 cm for a 10.0°F rise in temperature.…

A: ans)It is given that the liquid rises 5.25 cm by a change of temperature of 10.0°F.Thus, the…

Q: What is temperature?

A: Temperature is a proportion of how hot or cold something is explicit, a proportion of the normal…

Q: Volume (L) 10.0 50.0 75.0 100.0 Temperature (K) 319.2 326.1 330.4 334.1 The data above…

A: In the plotting of any set of variables, consider the height and length of the graph paper to decide…

Q: The Law of Conservation of Energy states that: o Heat lost by one object must be Select an answer by…

A: Energy can be defined as the ability to do work.Energy can be of different types. Energy may be…

Q: William Thomson tells of running into Joule in 1847 at Mont Blanc; Joule had with him his bride and…

A: Increase in temperature of the bulk is due to the change in internal energy. Internal energy is…

Q: baseball is thrown from center field to second base and its velocity changes from 15m/s to 10m/s. s…

A:

Q: Solids have a shape and are definite, compressible definite, incompressible indefinite, compressible…

A: Substances can exist in three basic states of matter. One of the states is solid, which is the…

Q: Early one cool (50.9 °F) morning you start on a bike ride with the atmospheric pressure at 14.7 lb…

A: now the gauge will read 85.32 lb/in2

Q: 3. A laser spectroscopist produces benzene clusters by seeding benzene within helium in a supersonic…

A: The objective of this question is to show the principles of kinetic theory and the relationship…

Q: Why is temperature not used in calculations involving changes of state?

A: The temperature of the system increases when the system is heated which is due to the increase in…

Q: SHould be 4.187J, not 4.184J, so I'm not sure this is correct.

A:

Q: A force of 2.31 * 104 N is applied to a diver’s face mask that has an area of 125 cm2. Find the…

A: The relation between force, area, and pressure are given as below: F=P×A ⋯⋯⋯⋯(1) Where, F is the…