The pressure of water vapor over ice is 3.88 mmHg at -20C and 4.58 mmHg at 0 C.

Q: Using your knowledge about specific heat capacity and water's structure, briefly explain why LA(near…

A: specific heat is the amount of heat required to raise the temp of body by 1°C.Water has a higher…

Q: A sample of mercury has a density of 13.6 g/cc at 37 0C. Calculate the specific gravity of mercury

A: Specific gravity or relative gravity is dimensionless quantity which refers to ratio of mass of…

Q: What conditions are defined as STP?

A: Standard Temperature and Pressure (STP) is a standard reference point of temperature and pressure.

Q: Benzoic Acid Champi Sample Weight of sample 0.4997 g 0.4107 g Pressure in the container 3000 kPa…

A:

Q: Define the following terms. (i) Rate constant (k) (ii) Activation energy ( Ea)

A: Enzymes are proteins that have the ability to speed up a reaction by acting upon molecules called…

Q: A quantity of gas in a piston cylinder had a volume of 0.539 m^3 and a pressure of 200 Pa. the…

A: According to the question, A quantity of gas in a piston-cylinder had a volume of 0.539 m^3 and a…

Q: 1-solid, 2-liquid, 3-gas, 4-supercritical fluid, point O-triple point, C-critical point -78.5 °C…

A: Asked : Given option which is correct for dry ice at the 1000 degrees celcius temperature and 5 atm…

Q: BSA mg/ml O.D. 550nm 1 0.12 2 0.23 3 0.34 4 0.41 5 0.52 Use the values above to draw a graph

A: BSA  Bovine serum albumin is a albumin protein which is extracted from cow  and used in experimental…

Q: What are some U.S. units that are used to measure each of the following? A. length B. volume C.…

A: In the United States, the imperial system of measurement is followed. These units of measurements…

Q: The following reaction plays a key role in the destruction of ozone in the atmosphere: Cl(g)+ O3…

A: Entropy is a measure of the randomness of a system. It the measure of a system's energy per unit…

Q: How many kilojoules are released by freezing 2.5 mol of H2O?

A: Enthalpy of freezing (∆Hfree) is used to calculate energy needed to release when liquid becomes…

Q: Gas production in a chemical feactIon O True O False

A: A chemical reaction is a conversion of a substance into a different one with a rearrangement in the…

Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…

A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…

Q: Calculate these masses.

A: A large amount of unspecified size is known as mass. It is denoted as m.  The amount of space an…

Q: Two air flows are combined to a single flow. One flow is 1 m3/s at 20oC and the other is 2 m3/s at…

A: The ideal gases follow PV=nRT. Here, ‘n’ is the number of moles of particles of a gas. The pressure…

Q: The vapour pressure of water at blood temperature is 47 Torr. What is the partial pressure of dry…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: Rank the following aqueous solutions in order of increasing vapor pressure. work for this question.…

A: Several physical properties such as boiling point and melting point change depending on the number…

Q: 14.9 g ice cube is placed into 332 g of water. Part A Calculate the temperature change in the water…

A: First, the heat absorbed by the melting ice needs to be determined. Molar mass of water= 18.015g/mol…

Q: Define absolute temperature (T)

A: Temperature can be defined as the measurement of hot and cold. It can be measured in degree Celcius,…

Q: Which of the following components of Km is largest in magnitude? k2 O k-1 O k1 O k-2

A: Enzyme Kinetics studies enable us to understand the rate of formation of products and also reaction…

Q: DO in mg/L at Different Saturation Level 100%sat 80%sat 60%sat 40%sat 20%sat Temperature 1 (d) (a)…

A: Hemoglobin is a protein present in erythrocytes that transports oxygen from the lungs to the cells…

Q: The enthalpy of combustion of hard coal averages −35 kJ/g, that of gasoline, 1.28 × 105 kJ/gal. How…

A: The enthalpy of combustion (∆Hc) of a substance is defined as the heat energy released when one mole…

Q: If 4.00 L of ethyl alcohol at 18.0 ⁰C is exposed to a temperature of 25.0 ⁰C, what is the resulting…

A: Initial temparature of ethyl alcohol is T₁ = 18° C = (273 +18) K = 291 K rising the temparatute to…

Q: When 5.58 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: 2 questions are asked. According to guidelines, will answer the 1st question only. 100 ml water…

Q: (a) Large beds of rocks are used in some solar-heatedhomes to store heat. Assume that the specific…

A: Q = m*c*ΔT Q = Heat (J) m = Mass (g) c = Specific Heat in J/(g*k) ΔT = Change in Temperature (K)

Q: Normal room temperature is about 74 degree. What is the equivalent temperature on the Celsius…

A: Temperature defines the direction of spontaneous heat flow between objects/systems. Heat flows from…

Q: Calculate the heat energy released when 25.7 g of liquid mercury at 25.00 °C is converted to solid…

A: Mercury is the metal that is present in its liquid form.

Q: A 75.0 g piece of Ag metal is heated to 80.0 C and dropped into 50.0 g of water at 23.2 ° C. The…

A: To find: Specific heat of silver

Q: Calculate the enthalpy of vaporization at the normal boiling point (760 mmHg) of the liquid(water,…

A: The enthalpy of vaporization also known as heat of vaporization or heat of evaporation is the amount…

Q: How many liters of dry hydrogen gas, measured at 798 mmHg and 21C, will be released by the…

A: When change in pressure, volume and temperature occurs than the combined gas law is used. Combined…

Q: If  HCO, is 24 mEq/L, and PaCO2  is 40 mmHg calculate the pH.

A: The Henderson-Hasselbalch equation describes the relationship of pH as a measure of acidity with the…

Q: the vapor phase concentration in ppm(v)?

A: Vapour phase concentration is the amount of water vapor present in a unit volume of air, usually…

Q: What is the effect of pressure on a liquid’s boiling point?

A: The boiling point is considered as the temperature at which the vapor pressure of the liquid becomes…

Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…

A: When a solute is dissolved in the solvent, it results in the formation of a solution. This process…

Q: A 40.0L balloon is filled with air at sea level (1.00 atm, 25.0°C). It is tied to a rock and thrown…

A: Combined gas law: It is combination of Boyle's law, Charles's law and Gay-lussac's law. Law states…

Q: hydrogen at 101 kpa each day . If each days supply of hydrogen were kept at a pressure of 366 kpa,…

A: The relationship for Boyle's Law can be expressed as follows: P1V1 = P2V2, where P1 and V1 are the…

Q: A helium gas cylinder of the sort used to fill balloons has a volume of 0.180 m3 and a pressure of…

A: The ideal gas law is equation of state of a hypothetical ideal gas where the Pressure, Volume,…

Q: How much heat would need to be removed to cool 50.3 g of water from 25.6°C to -10.7°C? Csolid =…

A: Solids can be heated to the point where the molecules holding their bonds together break apart to…

Q: Calculate the mass of a liquid with a density of 3.2 g/mL and a volume of 25 mL

A: The amount of matter present in a substance is defined as its mass. It is independent of its…

Q: A cylinder of gas at room temperature (20 degrees Celsius) has a pressure P1. To what temperature in…

A: According to the ideal gas law  PV=nRT Here, P= Pressure V = Volume n = number of moles R = Ideal…

Q: The vapor pressure of component Cis 272 torr, and that of component E is 176 torr a vith x 0.200 has…

A: All the values are given in the question so just put the values in required formula

Q: Using the table above, make the following unit conversions. Determine th point the appropriate…

A: 1. 25/1000 = 0.025  2. 3*1000000= 3000000 3. 150/10 = 15  4. 5000/1000 = 5  5. 0.075 kl

Q: What volume in liters would 20.0 moles of sulfur dioxide occupy at 75.3 °C with a pressure of 2.40…

A: Moles of sulfur dioxide (n) = 20 moles Temperature (T) = 75.3 + 273 = 348.3 K Pressure (P) = 2.40…

Q: At 25.0 °C the Henry's Law constant for dinitrogen monoxide (N,O) gas in water is 0.025 M/atm.…

A: Henry's law was postulated in the year 1803 by Willian Henry. This law postulates that at a given…