How can I round this number?  Example: Cp = qmetal =  -365.4 cal           = 0.0501 cal/g°C            m∆T    (109.7g)(-66.5°C) help me with this  Cp = qmetal = -77.0 cal        =  0.9803921cal/g°C            m∆T   (109.7g)(-66.5°C)

Q: Calculate the AG°rxn in kJ using the following information. 2 HNO3(aq) + NO(g)- -3 NO2(g) + H2O(1)…

A: Gibbs free energy is a free energy which is utilised to do useful work. It is a state function…

Q: At a particular temperature, Kc = 1.6 x 10-2 for 2H2S(g) 2H2(g) + S2(g). Calculate Kc for 1/2S2(g) +…

A: The resultant chemical equation is obtained by inversing the original equation and dividing the…

Q: + CH,CH,ОН ethanol Br + SOCI2 ОН H,SO4 heat OH I

A: There are two types of reaction in organic chemistry substitution reaction and elimination…

Q: Qu Calculate the [H3O*] & [OH] for a sample of pure water at 60 °C, given that the Kw = 9.3 x 10-14…

A: We have to find concentration of H+ and OH- of pure water at 60°C given  Kw = 9.3×10-¹⁴

Q: A list of the calorie content of foods indicates that a 10 oz chocolate thick shake contains 333…

A:

Q: A block of Lucite Cl= 1460J/kg(K) is heated to a temperature of Tli = 120 degrees C. It is then…

A: In an isolated calorimeter, the amount of heat lost by the heated lucite block is equal to the…

Q: Convert 0.554 cal x g^-1 x C^-1 to KJ x Kg^-1 x K^-1

A: Given: Specific heat capacity in cal/g.oC = 0.554 cal/goC.

Q: Suppose it is winter and the system is filled with methanol. The density of methanol is 0.80 g/cm3.…

A:

Q: 80.2 grams of a metal that is at temperature 95.15 °C is placed in 257.0 mL of water at 19.06 °C.…

A:

Q: The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is…

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: Convert 595 cal to units of J.

A: While converting from one unit to another of same dimension, a conversion factor is to be…

Q: Conver 121 kpa to psi 1 N = 0.22480894 lb 1kpa=1000N With these conversions and metric…

A: Convert A. 121 kpa to psi Given 1 N = 0.22480894 lb 1kpa=1000N/m2

Q: 2A + B → 2C ∆H1 = -115.2 kJ B + D → C ∆H2 = -98.4 kJ 2A → B + 2D ∆Hrxn = ?

A: The heat of the desired reaction can be calculated by rearranging the heats of the given reactions.…

Q: CI HN3 `NH > K L HCI t-BUOH M heat MeO2S N'

A: L) We need a cyclic carbonyl compound as our starting material. The hydrochloric acid will…

Q: TRUE OR FALSE 1. Heat flow is a directional quantity. Heat flows from a warmer body to a colder…

A: When there is a temperature gradient exist, heat will always flow. That means that when there is…

Q: A list of the calorie content of foods indicates that a roast beef sandwich contains 319 Calories.…

A: Given:  Calories in sandwich= 319 calories 1 calorie = 4.184 J

Q: cOOMe AIC heat 1) LIAIH, 2) H0

A:

Q: 1. P4010 heat NH2 2. HzO + heat

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Q: mass

A:

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: In this problem, we will discuss about the units of energy: Joule-1 joule is equals to 0.000239006…

Q: Use the molar heats of formations given under the formulas in equations [1] and [2] : [1]     Mg(s)…

A:

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: Br 1) CI' AICI3 2) Zn(Hg), HCІ, heat

A: The reaction given is,

Q: 9. (3-step conversion) How many kJ in157.4 cal ?

A: We have to convert cal to KJ

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 339.0 g sample…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: CH3 1) KMNO, Heat 2) H30* 1) CH3CH2MgBr (excess), 2) H30*

A: Numbering of reagents is important as the number indicates the order of the reaction for the reagent…

Q: Convert 7908 cal to kJ

A: Given: Energy in cal = 7908 cal.

Q: Do temperature conversions in steps to obtain results with correct numbers of sig figures: 1) T =…

A: Given: 1) T = 670 K. 2) t°C = +3400 °C. 3) t°F = +120 °F.

Q: A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2…

A: Heat absorbed = m Cp ∆T  Cp is specific heat capacity. m is mass of substance.

Q: What is the boiling point of the automobile radiator fluid prepared by mixing 1.04  L of ethylene…

A:

Q: Q11.51 O Homework Answered Which of the following regions " to "V" indicate the following…

A: This is the heating curve.

Q: 6. (2-step conversion) How many J in 78.4 kJ ?

A: The amount of energy is = 78.4 kJ The value of this energy in J is =?

Q: 560 Cal to J

A: Given,560 Cal.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 741.0 g sample…

A:

Q: The specific heat of water at 20°C is Cp= 4182 J/(kg°C). a) Convert this Cp to units of J/(kg K). b)…

A: Given : Specific heat of water at 20°C is 4182 J/(kg °C) To find : a) convert the Cp to J/(kg K) b)…

Q: A 50.0 g iron ball (sp ht = 0.473 J/g C) is heated to 35 C and is placed in a calorimeter holding…

A: Given, For iron ball: Mass of iron ball (miron) = 50.0 g Specific heat capacity of iron (Cpiron) =…

Q: Chemistry 오 3. Rank the following compounds from most negative (1) to most positive (5) log of Kow…

A:

Q: _NH2 heat но- -OH NO2 heat но—$— он

A: The replacement of the hydrogen atom of an aromatic compound by sulfonic acid (-SO3H) functional…

Q: how do you convert Joules to reciprocal cm (cm-1) ?

A: Joules is unit of energy. E = hc/λ Where cm-1 is wave number = 1/λ

Q: NK 2. KOH (aq), heat NH2 NH b H2N

A: We will write the. Correct answer

Q: The calorie (4.184 J) was originally defined as the quantity of energy required to raise the…

A: As per the company rules, only 3 subparts are answered.

Q: Drinking cold water actually causes the body to expend calories as your body warms it to body…

A: Step 1: When the temperature is increased for water or any matter the energy consumed is expressed…

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

A: Temperature can be converted from °C to K using the conversion factor between these temperatures.

Q: (i) heat molecule N (ii) CO2ET hn heat molecule o molecule P (iii) H- heat molecule Q H- (iv) Ph.…

A:

Q: 1/3=j/4-10/3 What is j?

A:

Q: First, a 5.500 g tablet of benzoic acid (C,H, CO, H) is put into the "bomb" and burned completely in…

A:

Q: 11. What would be the pHin a sample of pure water at 0.0°C? Kw at this temperature is 1.50 x 1015.…

A:

Q: 3. A student goes to the cafeteria to get an iced tea. He puts 3 ice cubes (approximately 20.0 mL…

A: Given: volume of tea = 375 mL volume of ice = 20.0 mL Initial temperature of ice = -15.0 oC Initial…

Q: Alexander, who weighs 150lb, decides to climb Mt. Krumpett, which is 5250 m high. For his food…

A: Work is a type of energy that is transmitted within or out of any particular system through the…

Q: what amount of heat in J is required to raise the tempereture of 326.7 g of lead by 13.1 degrees…

A: Given : Mass of lead = 326.7g Change in temperature = 13.10C Specific heat = 0.128J/g degrees…