# How to Calculate..

24,867 results, page 29

### physics

Calculate the speed of a 10,000 kg airliner with a kinetic energy of 3.1 x 10^9 J.

### physics

Calculate the speed of a 10,000 kg airliner with a kinetic energy of 3.1 x 10^9 J.

### Chemistry 3A

how do i calculate the density of sulfur dioxide, SO2, at STP.

### math

calculate the area of a triangle with side lengths 83.75, 110.65, and 90

### kendriya vidyalaya

calculate the mass of the following 1)3.11* 10 to the power 23 atoms of o.

### Ap chemistry

How to calculate initial concentration, preferably with a general example??

### MATH

THE ANGLE OF A TRIANGLE ARE IN RATIO 1:2:7 CALCULATE ALL THE ANGLES

### chemistry

calculate the # of moles of oxygen in 2 L @ 24 deg C & 750 torr

### chemistry

calculate the dimensions of a cube that contains 22.4L of gas at STP.

### math

Calculate the are of triangular cross-section and also its volume.

### chemistry

0.30M nh3 and 0.20M HCL calculate the ph of solution kb=1.8 × 10^-5

### calculus

Please show me how you do this. Thank you. Calculate the definite integral: 2 ∫_ 2x dx 7

### general chemistry

Calculate the molarity of each of the following solutions.70.8 in 2.51 of solution

### minning science

calculate the pH at 25 degrees of 0.080 mol dm^-3 HNO3

### physics

calculate the uncertainty of the coefficient of friction. avg. ì=.574

### Math

Calculate the side lenght of square with area 25m

### Chemistry

If an unknown metal M is .521 g how do you calculate it's atomic mass?

### Chemistry

If an unknown metal M is .521 g how do you calculate it's atomic mass?

### Chemistry

How many moles of ethyl alcohol C2H6O are in a 25.0 sample? How do I calculate?

### Chemistry

Calculate the mass of 0.0122 moles of: a) Si3N4 b) (CH3)3 N

### Chemistry

How do I calculate the moles of each element in 0.303 mol water?

### chemistry

calculate the pH at 25 celcius degree of 0.080 mol/dm-3 HNO3

### Chemistry

Calculate the pH of a buffer solution that contains 0.60 M NaH2PO4, and 0.26 M Na2HPO4.

### Chemistry

Calculate the density of atoms on plane (001) in Lithium

### chemistry

im so confused about this question Calculate the pH of a solution that has [H3O+] = 5.5 x 10-3.

### Chemistry

Calculate Kp at 298K for the reaction SO2 + NO2--->SO3 + NO

### MATH

CALCULATE THE MISSING LENGTH VOLUME= 1,000 CM CUBED

### chemistry

calculate the molarity of 29.25 grams of NaCl in 2.0 liters of solution

### chemistry

calculate surface energy of 100 plane of niobium.

### conceptual physics

How do you calculate the time a boat has traveled at 25 knots

### Chemistry

Calculate delta G of a reaction with equilibrium constant, K= 9.5 x 10^5 at 25 degrees C

### chem ll

Calculate the pH of a buffer that is 0.250M in NaHCO3 and 0.300M in Na2CO3

### Math

Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5

### Math

Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5

### Chemistry

Calculate the permanganate activity in an aqueous 0.18 M KMnO4 solution.

### Chemistry

Calculate the volume of 5.6 kg of ethanol that has the density 0.785 g/cm3

### Chemistry

Calculate the wavelength of a proton with energy 2.45 eV. Please some help!

### chem 2

calculate kc for reaction I2 (g)+Cl2 (g)⇌2ICl(g )Kp=81.9 (at 298 K)

### Chemistry

3.50 g of NH4Cl is added to 18.8 g of water. Calculate the molality of the solution.

### chemistry

8.90 g of NH4Cl is added to 19.7 g of water. Calculate the molality of the solution

### Math

what does it mean to calculate frequencies within a data set?

### math

I am not sure how to calculate this on the calculator: 1225000 = (1 - 6.53%) * amount raised

which of the following is not used to calculate net sales?

### chemistry

calculate the number of calcium ions present in calcuimchloride

### ap chemistry

Calculate the ratio of [NH3]/[NH4+] that gives a solution of pH = 10.60.

### chemistry

Calculate the number of moles in 3.50 x 1021 atoms of silver.

### Economics

C=15+0.50Y+0.0.5W I=100 W=1,200 Calculate the values of equilibrium Y,C,and S

### Ap chem-Bases

Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4

### Ap chem-Bases

Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4

### science

Calculate the mass percent composition of each element in each compound.

### Math

Explain how to calculate 1/4 divided by 1/8 using reciprocal fractions

### Chemistry

The Ksp of tin(II) hydroxide, Sn(OH)2, is 5.45 × 10-27. Calculate the solubility of this compound in g/L.

### Chemistry

The Ksp of tin(II) hydroxide, Sn(OH)2, is 5.45 × 10-27. Calculate the solubility of this compound in g/L.

### chemistry

a has at 635 mmHg and 36 C occupies a volume of 9.80 L. calculate at stp

### Chemistry

The Ksp of iron(II) hydroxide, Fe(OH)2, is 4.87 × 10-17. Calculate the solubility of this compound in g/L.

### Math

Calculate S(68) for the arithmetic sequence a(n) = (2/3)n + 1/6 87/2 273/6 139/3 4,726/3

### Chemistry

A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].

### Chemistry

A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].

calculate the value of log square root p p^2.

### chemistry

Calculate the current in ampheres required to produce 15.0g in 2 hrs.

### Chemistry

Calculate the molar solubility of manganese II hydroxide in ph 12.85 solution.

### Science

Calculate the hydroxide ion of a solution of almond extracted of PH 3.8

### chemistry

calculate the percentage by mass of ozygen in trioxnitrate5 acid H-1, N-14, O-16

### chemistry

calculate the percentage by mass of oxygen in trioxonitrate(v) acid

### chemistry

calculate the number of malecules in a drop of water weighting 0.09 g

### physical science

calculate the number of molecules in 30g water

### math

calculate the value of (1 sec20¡ã cot20¡ã)(1-cosec20¡ã tan70¡ã)

### Kimbe secodary

Calculate percentage composition of nitrogen in amammonia

### math

calculate the upper limit for the definite integral from -2 to 2. oh x^2+1 dx with the partition P=-2,-1,0,1,2

### chemistry1411

calculate the boiling point of water if the atmospheric is 630 mm hg

### chemistry

Calculate the number of C atoms in a .25mg sample of C8H10N4O2

### chemistry

How do you calculate the mass percent composition of nitrogen in NO2?

### Chemistry

Calculate the number of moles in 2.65x1015 atoms of 14C.

### Chemistry

Calculate the number of moles in 8.50x1015 atoms of 4He.

### Physical science

A-b is 50m and b-c is 120 calculate the total distance

### Chemistry

Calculate the pH of a 1.19M sodium formate, HCOONa, solution.

### physics

a force of 20 n acts on a 5 kg block. calculate the acceleration of the object.

### Chemistry

Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for is 1.5 × 10-10 .

### Science

Calculate the denstiy of a block if the volume is 20.0cm3 and the mass is 40.0 g

### Chemistry 120

Calculate the pH of aqueous solution 0.0000019 M KOH

### physics

calculate the work done in lifting a 300 N weight to a height of 10 m.

### chemistry

Calculate the volume in milliliters of a 5.41-g sample of a solid with a density of 3.01 g/mL

### Chemistry

Calculate the pH and concentration of H3O of a 0.285M HCl solution.

### chemistry

7.Calculate the volume of a substance that has a density of 5.47 g/mL and a mass of 8.065 g.

### Calculus

Calculate the area of the bounded region between the curves y^2=x and 3y = -3y + 9 ?

### chemistry

For the reaction: 2SO2(g) + O2(g) = 2SO3(g) conducted at 25°C and 1 atm. Calculate H°, S°, G°

### Chemistry

Calculate the hydrogen ion concentration, [H+], in 0.00988 M Ba(OH)2. Careful!

### math

The gradient of the tangent to the curve y= ax^3 + bx at the point ( 1, 1) is -5. Calculate the values of a and b

### math

The gradient of the tangent to the curve y= ax^3 + bx at the point ( 1, 1) is -5. Calculate the values of a and b

### Chemistry

Calculate the pH of a buffer that is 0.130M in NaHCO3 and 0.295M in Na2CO3

### Chemistry

Calculate the pH of a solution that is 0.185M in HC2H3O2 and 0.125M in KC2H3O2

### Chemistry

Calculate pH of a solution that is 0.255M in CH3NH2 and 0.105M in CH3NH3Br

### Maths

If 192;x;y;3 form a geometric progression, calculate the value of x and y.

### chemistry

There are 5.00*10^-3 moles of lead II nitrate. Calculate how man grams this is.

### Mathematics

Calculate the radius of a circle in which a chord of length 10 cm is 12 cm from the centre

### Chemistry

Calculate the volume occupied by 5.25 g of nitrogen at 26*c [temperature] and 74.2 cm of pressure.?

### algebra

If 192,x,y,3 form a geometic sequence, calculate the valuest of x and y.

### math

p varies directly as the square of q and inversely as r when p=36, q=3 and r=4 calculate q when p=200 and r=2

### physics

Vector B~ has x, y, and z components of 9.6, 6, and 8.5 units, respectively. Calculate the magnitude of B~ .