71.0 °F = Κ %3D

Q: List the names of the various changes of state for a pure substance?

A: Pure substances in chemistry are those that consist of only one kind of particles. It can be further…

Q: Matter in Leg A of the following graph ranges from -20 to 0 °C. This matter is in which state? 120…

A: Here we can see that heat supplied to matter is quite low also the temperature is quite low…

Q: Which is NOT directly attributable of property of water? A. The top of a lake freezing B. The…

A: Some important Characteristics of water  (1). polarity, (2). cohesion, (3). adhesion, (4).…

Q: (a) Normally the human body can endure a temperatureof 105°F for only short periods of time without…

A: Given data part(a) : temperature  = 105 oF  part(b) : freezes point temperature =  −11.5°C part(c) :…

Q: temperature (K) 007 00 009 9'0 1.2-

A: Initial at the indicated point, the compound is in a liquid state. 40oC = 273 + 40 = 313K

Q: 4. What is a characteristic property of a pure substance? Is the boiling point of a substance a…

A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…

Q: A 3.00 kg sample of water is heated from 14 degrees celsius to 53 degrees celsius. How much energy…

A: Given,Mass of water = 3kgInitial temperature = 14 degrees CelsiusFinal temperature= 53 degrees…

Q: An 85.0 g piece of copper is heated to 98.7 degrees C.The copper is then quickly put in to water…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: 750 mK/s to K/s?

A: Step 1mk/s means “millikelvin per sec” and K/s means ‘Kelvin per sec”Here, conversion of mk/s to K/s…

Q: Chemistry Question

A: The correct option is (b)

Q: | A B H H H H H H -C-H H H H -H | E F H H 0-H H-CI 7:18 РM 49 л 99+ 12/9/2021 近

A:

Q: Calculate the amount of heat needed to boil 122. g of hexane (C,H4), beginning from a temperature of…

A:

Q: n temperature.

A: 1- gas particles are very smaller in size and very lighter so that it's moving constant with random…

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

A:

Q: 1.012 x 10-3 J (0.017456 g) (298.3682 – 298.3567) K J g. K

A: The given calculation is as follows: 1.012×10-3 J0.017456 g 298.3682-298.3567 K=?

Q: Q Activity Chat Assignments Teams Calendar B Calls 19 Files 188 Apps 19 CHEM 20044_PS#1.pdf H,C H.C.…

A:

Q: Calculate the amount of heat needed to boil 172. g of hexane (C6H₁4), beginning from a temperature…

A:

Q: V'18, Lavonda Deale ( 4766/ S) A student collected the data shown in the table below during an…

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Q: Calculate the amount of heat needed to melt 93.3 g of solid hexane (C,Hj4) and bring it to a…

A: Heat absorbed or released in a chemical reaction(Q) is related with specific heat(c) related as Q =…

Q: Define the phases of matter and phase change?

A: The state of matter that is uniform throughout in physical state and chemical composition is known…

Q: A sheet of gold metal that has a mass of 100.0g and has a temperature of 18.0 degrees C is placed…

A:

Q: Normal body temperature is 98.6 F. What is normal temperature in K?

A:

Q: (9.75 x 103)(8.4 x 10-6)

A:

Q: KMNO4 H*, t°c

A:

Q: рH - рK, +2 when: [А УНА] - 1000 B) А) [А ИНА] - 100 [А УНА] - 0.01 D) [АУ [НА] - 0.001 E) [АУ [НА)…

A:

Q: HCI NH2 МАС ВАС NH2 KI NaNO2 HCI, 0 degrees C RAC PAC JAC

A: The reactions given are,

Q: t temperature doe

A:

Q: 1.180V) and a standard Fe Fe2+ ha

A: The cells in which chemical energy is converted into electrical energy If we construct a cell with…

Q: 1/T(K) ln(p) 0.00341 -4.33 0.00295 -1.335 0.00267 0     Graph the following using excel

A: Given data are

Q: An example of a pure substance is an element a) a compound b) c) H,O carbon dioxide d) all of these…

A: A chemical substance is a form of matter having constant chemical composition and characteristic…

Q: What type of system is a covered glass of milk?

A: Solution- type of system is a covered glass of milk.  Its is close system..

Q: A strip of aluminum weighing 0.789 g is heated from 26.1 degree C to 45.8 degree. What is the q?

A: To find q

Q: An organic chemist measures the temperature T of a solution in a reaction flask. Here is the result.…

A: Conversion of °C to K in appropriate significant figures: Formula: T (K) = T(°C) + 273.15

Q: 1.12 x 10-2 s = CS

A:

Q: It determines the phase of a substance. A. its pressure and temperature B. its mass and volume C.…

A: There are the three common phases of matter - solid, liquid and gas. The phases of a matter depend…

Q: A change in an adjective in a specific direction is an increase or decrease across a single cycle or…

A: The above given statement is related to the periodic table which is an easiest way for the…

Q: NH2 NaOH (aq) heat Na

A: Since you have asked multiple questions, we will solve first one for you. For any particular…

Q: convert and use sig figs 2.75kg to oz.

A: We have to convert the given quantity in oz

Q: What is the boiling point of the unknown substance Xin K(Kelvin)? X(t) = X(g) AH÷°(kJ mol1)S°J…

A:

Q: Q.11

A:

Q: Convert 58.5°F into celsius unit

A:

Q: If 2083 Joules are used to melt 5.26 grams of aluminum, what is the heat of fusion of aluminum in…

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Q: The average normal body temperatureis generally accepted as 98.6 °F. What is the temperature in °C…

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Q: Calculate the amount of heat needed to boil 11.8 g of hexane (CH4), beginning from a temperature of…

A: We have to calculate the amount of heat needed to boil 11.8 gm of hexane beginning from a…

Q: hite) + 3H2 +49.03kJ C6H6 cation:

A: Mass of carbon = 5.81 g Moles of Carbon = 5.81/12 = 0.484 mol □H = = 49.03 kJ

Q: The room temperature phase of lithium is a liquid. O True False

A: Select true/ false: The room temperature phase of lithium is liquid

Q: Convert 80.92 °C to K and °F.

A: Temperature can be expressed in various units which are degree celsius, kelvin and degree…

Q: 10. Convert 15,000. J to kJ. A: 15.000

A: Given: Energy = 15,000 J   We know that,           1 kJ = 1000 J

Q: A temperature of 212 °F is the same as______. 166.2 K 373 K 439 K 485 K

A: We are having temperature as 212°F , we have to calculate the temperature in unit of Kelvin .

Q: Calculate the amount of heat needed to boil 143. g of hexane (C,H14), beginning from a temperature…

A: