1. Given a NaCl with an equilibrium separation of 2.81 ̇, Madelung constant is 1.75 eV, Bohr''s constant, n= 9.4, and e = 4.8 x 10-8 ESU. (a) Calculate the binding energy per molecule. (b) What is the contribution per ion to the cohesion energy? (c) Derive the expression for cohesive energy for NaCl in atomic and molecular system. 4.
Free antiderivative calculator - solve integrals with all the steps. Type in any integral to get the solution, steps and graph This website uses cookies to ensure you get the best experience.
Calculator Use. Find the unit rate or unit price with this calculator. A rate is a ratio comparing quantities of different items. A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by ...
a 5 = 1 + 8 = 9 Looking back at the listed sequence, it can be seen that the 5th term, a 5, found using the equation, matches the listed sequence as expected. It is also commonly desirable, and simple, to compute the sum of an arithmetic sequence using the following formula in combination with the previous formula to find a n :
A Quantity Of 1.435 G Of Naphthalene (C10H8), A Pungent-smelling Substance Used In Moth Repellents, Was Burned In A Constant-volume Calorimeter. Consequently, The Temperature Of The Water Rose From 20.28°C Tom 25.95°C. If The Heat Capacity Of The Bomb Plus Water Was 10.17 KJ/°C, Calculate The Heat Of Combustion Of Naphthalene On A Molar ...
PLAY. A gas expands in volume from 26.7 mL to 89.3 mL at constant temperature. Calculate the work done (in joules) if the gas expands (a) against a vacuum. (b) against a constant pressure of 1.5 atm, and (c) against a constant pressure of 2.8 atm. The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.
· Henry''s law constant for CO2 in water is 1.67 × 10 8 Pa at 298 K. Calculate the quantity of CO 2 in 500 mL of soda water when packed under 2.5 atm CO 2 pressure at 298 K.
R is equivalent to the Boltzmann constant, but expressed in units of energy per temperature increment per mole (the pressure–volume product). In SI based units it is 8.3144598(48) kg⋅m 2 ⋅mol −1 ⋅K −1 ⋅s −2. Due to this formula people would often refer to the above tool as a "PV nRT calculator". A mole is the amount of substance ...
(a) a physical quantity which has a unit but no dimensions. (b) a physical quantity which has neither unit nor dimensions. (c) a constant which has a unit. (d) a constant which has no unit. 8. Calculate the length of the arc of a circle of radius 31.0 cm which n/6 subtends an angle of at the centre. 9.
Use this free online constant of variation calculator to generate equation based on the given x and y values. This is also called as direct proportion and constant of variation (k). This online direct variation calculator relates two variables in such a way that their values always have a constant …
Step-1: Calculate Volume of Materials required. Density of Cement = 1440 kg/cum (Approx) Volume of 1 Kg of Cement = 1/1440 = 0.000694 cum. Volume of 01 bag (50 kg) of cement = 50 X 0.000694 = 0.035 cubic meter (cum) Since we know the ratio of cement to sand (1:2) and cement to aggregate (1:4)
· The thread series is generally relative to the outside diameter of the screw. 20 threads per inch on a 1/4" diameter screw is considered coarse: 1/4-20 UNC. On a 3/4" diameter screw, 20 threads per inch is considered extra-fine: 3/4-20 UNEF. It also plays a role in determining the length of engagement. UN: standard series thread.
Henry''s law constant for CO 2 in water is 1.67 x 10 8 Pa at 298 K. Calculate the quantity of CO 2 in 500 mL of soda water when packed under 2.5 atm CO 2 pressure at 298 K. Q:-A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution?
Physically, the time constant represents the elapsed time required for the system response to decay to zero if the system had continued to decay at the initial rate, because of the progressive change in the rate of decay the response will have actually decreased in value to 1 / e ≈ 36.8…
A monopolist firm faces a demand with constant elasticity of -2.0. It has a constant ... Price Quantity 27 0 24 2 21 4 18 6 15 8 12 10 9 12 6 14 3 16 0 18. Chapter 10: Market Power: Monopoly and Monopsony 122 a. Calculate the firm''s marginal revenue curve. ... Calculate the values of Q 1, Q 2, Q, and P that maximize profit.
Free functions calculator - explore function domain, range, intercepts, extreme points and asymptotes step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.
The first-order rate constant for the decomposition of a certain insecticide in water at 12°C is 1.45 yr –1. A quantity of this insecticide is washed into a lake on June 1, leading to a concentration of 5.0 10 –7 g/cm 3 of water. Assume that the effective temperature of the lake is 12°C.
Quantity of Downloads Demanded $12 10 8 6 4 2 0 a. Calculate the total revenue and the marginal revenue per download b. Bob is proud of the film and wants as many people as possible to download it.
· cement consumption in PCC 1:4:8 and M7.5,h ow to calculate quantity of cement in PCC, in this topic we know about how to calculate quantity of cement in PCC and cement consumption in PCC 1:4:8…
To calculate the cement and sand for 100 m 2 plastering area in 1:6 ratio and 12 mm thickness. Plastering thickness 12 mm = 12/1000 = 0.012m. = 100 m 2 x 0.012m = 1.2 m 3. (This is wet volume that means we need this much volume of cement mortar after mixing water, So for dry volume, we have to add 30-35% as bulkage of sand, we are using 35% and ...
If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below. Solution Your input: find the average rate of change of $$$ fleft(xright)=x^{2} $$$ on the interval $$$ left[1,3right] $$$ .
N t is the remaining quantity after time, t t 1/2 is the half-life τ is the mean lifetime λ is the decay constant. If an archaeologist found a fossil sample that contained 25% carbon-14 in comparison to a living sample, the time of the fossil sample''s death could be determined by rearranging equation 1, since N t, N 0, and t 1/2 are known.
In the calculator window, choose the question you need answered and enter the 2 quantities that you already know. The calculated result will automatically display on the right of the question you chose, along with the answers to all the other questions. To calculate percentage change, use one of the three calculators at the bottom.
Procedure for calculation is: 1. Calculate the dry volume of materials required for 1m 3 cement mortar. Considering voids in sands, we assume that materials consists of 60% voids. That is, for 1m 3 of wet cement mortar, 1.6m 3 of materials are required. 2. Now we calculate the volume of materials used in cement mortar based on its proportions.
Half-Life Calculator. Use this decay calculator to easily calculate the time elapsed since the beginning of the decay, or calculate the original quantity, half-life or remaining quantity of a substance subject to radioactive decay, based on any of the three parameters. Convert half-life to mean lifetime or decay constant, and vice versa by ...
Calculate the price elasticity of demand; ... Suppose there is an increase in quantity demanded from 4 coffees to 6 coffees. Calculating percentage change ([latex]frac{left(6-4right)}{4}[/latex]) there has been a 50% increase in quantity demanded. ... 0.8. c) 1.4 d) All of the above. 8. If goods X and Y are COMPLEMENTS, the which of the ...
where p is gas pressure, V is volume, is the number of moles, R is the universal gas constant (= 8.3144 j/(o K mole)), and T is the absolute temperature. The first law of thermodynamics, the conservation of energy, may be written in differential form as
Question 7. Henry''s law constant for CO 2 in water is 1.67 x 10 8 Pa at 298 K. Calculate the quantity of CO 2 in 500 mL of soda water when packed under 2.5 atm CO 2 pressure at 298 K.
and Equation 5.1 to calculate the speed, v, at impact. Solve: (a) Because the bowling ball is raised to a greater height above the ground, its potential energy increases. (b) The ball has a mass of 5.4 kg, and it is lifted a distance of 1.6 m. To calculate the work performed to raise …
Compute the economic order quantity. Compute the total annual inventory expenses to sell 34,300 dozens of tennis balls if orders are placed according to economic order quantity computed in part 1. Solution 1. Economic order quantity: * $0.40 + ($20 × 5/100) = $1.4. 2. Total annual inventory expenses to sell 34,300 dozens of tennis balls:
A quantity of 1.922 g of methanol (ch3oh) was burned in a constant-volume bomb calorimeter. consequently, the temperature rose by 5.14°c. if the heat capacity of the bomb plus water was 8.69 kj / °c, calculate the molar heat of combustion of methanol.
Calculate the concrete quantity required in cubic meter and then multiply the quantity with the cement sand and aggregate for 1 cubic meter of concrete. In your case Volume of concrete = 1.7 x 1.7 x 0.5 = 1.4 cu.m It looks like you are using m20 grade mix with extra sand. If you follow that mix proportion then to calculate use this following ...
The Planck constant (Planck''s constant) says how much the energy of a photon increases, when the frequency of its electromagnetic wave increases by 1 (In SI Units) is named after the physicist Max Planck.The Planck constant is a fundamental physical constant is written as h.. The Planck constant has dimensions of physical action: energy multiplied by time, or momentum multiplied by distance.
This is "Spr4.8.3 - Calculate fractions of a quantity" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
