subject

Chemistry, 18.10.2019 06:30 kekecantonxox121

Which pair of atoms has the highest electronegativity difference?

na-f
ca-f
h-f
c-f
f-f

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 05:30

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Answers: 3

question

Chemistry, 22.06.2019 13:30

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Answers: 2

question

Chemistry, 22.06.2019 20:30

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?

Answers: 3

question

Chemistry, 23.06.2019 00:00

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Answers: 2

You know the right answer?

Which pair of atoms has the highest electronegativity difference?

na-f
ca-f

Questions

question

Mathematics, 14.09.2019 02:30

Find the rational number approximation of square 15...

question

Mathematics, 14.09.2019 02:30

Astore has clearance items that have been marked down by 25%. they are having a sale, advertising an additional 40% off clearance items. what percent...

question

Mathematics, 14.09.2019 02:30

The schuller family has five members. dad is 6ft 2in tall. mom is 3 inches shorter than dad, but 2 inches taller than ivan. marcia is 5 inches shorter...

question

Mathematics, 14.09.2019 02:30

Asmall business owner converts 120 j of her internal energy to electricity by peddling a bike for 1 second, which for a conversion efficiency of 40 pe...

question

Mathematics, 14.09.2019 02:30

Find the augmented matrix for each of the following systems of linear equations. (a) x₂ - 2x2 = 0 (6) x + x₃ = 1 .3x₂ + 4x2 = -1 - x₂ + 2x2x₃ = 3. 2x,...

question

Mathematics, 14.09.2019 02:30

Assume that a customer shops at a local grocery store spending ak average if $200 a week, resulting in the retailer earning a $25 profit each week fro...

question

Mathematics, 14.09.2019 02:30

36. harvesting renewable resources. fishing. suppose that the population y(t) of a certain kind of fish is given by the logistic equation (11), and fi...

question

Mathematics, 14.09.2019 02:30

using direct substitution, verify that y(t) is a solution of the given differential equations 17-19. then using the initial conditions, determine the...

question

Mathematics, 14.09.2019 02:30

Draw the phase space for each of the following. identify all fixed points. which fixed points are stable and which are unstable? a) x’ = cos(x)...

question

Mathematics, 14.09.2019 02:30

What mass of water at 15 degrees celcius can be cooled 1 degree celcius by heat necessary to melt 185 grams of ice at 0 degrees celcius?...

question

Mathematics, 14.09.2019 02:30

Calculate the potential energy associated with 1 m^3 of water at 607 feet tall taking the mass of 1 m^3 of water to be 1000 kg...

question

Mathematics, 14.09.2019 02:30

Find the two values of k for which y(x) = e^kx is a solution of the differential equation y'' - 20y' + 91y = 0. preview smaller value = larger value =...

question

Mathematics, 14.09.2019 02:30

Tangent slopes 1 - 5) use the function (x) = 8x - 5x on the interval [4, 8]. 1) create a table of function values using 9 values that create 8 equally...

question

Mathematics, 14.09.2019 02:30

Set p = {x, 4, 6, 10, -2, x, 6, 1, x} in set p, if the value of x is 4 greater than the largest numerical value present, what is the range of the set?...

question

Mathematics, 14.09.2019 02:30

Let y1=(1-cos(/sin(x).^2 and y2=1./(1+cos(x)) for x=logspace(0,-12,13) . make a table of the values of x, y1,y2 as in sauer, section 0.4. plot y1-0.5...

question

Mathematics, 14.09.2019 02:30

Suppose a person eats 2000 food calories on average per day. note that 1 calorie= 4.184 joules and a food calorie = 1000 calories = 4184 joules. what...

question

Mathematics, 14.09.2019 02:30

the hoover dam in the u. s produces 2 x 10 ^9 watts of electricity and is composed of 7 x 10^9 kg of concrete. concrete requires 1mj of energy to prod...

question

Mathematics, 14.09.2019 02:30

Bonus: some old games had a "wrap around" effect. if you move past the right side of the screen you appear at the left side, and if you move past the...

question

Mathematics, 14.09.2019 02:30

In the card game of poker, five cards that have consecutive kinds is called a straight. an ace can be considered either the lowest card of an a-...

question

Mathematics, 14.09.2019 02:30

Acompany that manufactures small canoes has a fixed cost of $24,000. it costs $100 to prod canoes produced and sold.) a. write the cost function. c(x)...

More questions: Chemistry Another questions

Questions on the website: 13722363