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

maths for business

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+].

add maths

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.

Science

How are mass and inertia related? How do you calculate momentum? Please help

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~ .

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