# How to Calculate..

24,346 results

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~ .

physics
Calculate the energy absorbed when 8.5g of ice is melted at 0 celsius

chemsitry
The weak acid HQ has pKa of 4.89. Calculate the [H3O+] of .035 M HQ. Thanks.

Mathematics
The point P,Q and R have co-ordinates. P=(-3,7) Q=(-2,3) and R =(2,2) calculate the length of line PQ

physics
Calculate the Specific Gravity of an object that sinks in water if m = 21.97 g and mA = 17.40 g.

Chemistry
Calculate The volume occupied at s.t.p by 0.24g of ozone ( o=16, G.M.V=22.4dm3

chemistry
Devils food cake has a [H+] of 2.7 x 10-8 mol/L. calculate pH pOH [OH-]

science
Calculate the PH of the 0.4g of NaoH in water to give 200ml of solution

math
If the sides of a triangle are 4p, 5p and 6p, calculate the size of the lagest angle.

maths
using the information that 3.19 x 78.3 = 217.871 calculate 0.319 x 7.83

accounting
how to calculate the remaining lifespan of 3 trucks owned by a business

eee
calculate normality oh hcl ? given specific gravity 1.18 and w/w 36.5

Math
The side of retangular floor are xm and (x + 7)m.the diagonal is (x + 8)m,calculate the value of x

Science
Calculate the frequency of rotation of the second hand clock

Chemistry
If it is known that the iron(ii) salt is FeSO4.7H20 calculate the %Fe from the formula

accounting
how to calculate depreciation using carrying value method?

chemistry
60 gram of urea is dissolved in 250ml. Calculate the molarity

chemistry
calculate the number of moles of Mg in 0.12g(relative mass of Mg=24)

science
Calculate the no of neutrons present in 12x10^25 atoms of oxygen (8O^17)?

chemistry 12u
how do i calculate this.. a solution of nitrous acid has a pH of 2.73 what is the [H3O+] ?

science
Calculate the equilibrium constant of NH4HS H2S + NH3

maths
calculate normality of 0•3molar H3PO3(phosphorus acid)

chrmistry
calculate the molar concentration of 1ppm solution of NaCl?

chemistry
calculate the normality of 5.56 grams of K2Cr2O7 dissolved in 500 mL

PHYSICAL SCIENCES
CALCULATE THE ENERGY OF A PHOTON OF RED LIGHT

Science
Calculate the volume of solute percent in 90ml solution with 5%

Science
Calculate the no. Off molecules atom in 360gm of water...??

chemistry
Calculate the pH of a solution containing 10 g / L of NH4Cl (Kb NH3 = 1.8x10-5

Physics
Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV

Che
Calculate the fundamental particles in HCN and na2co3 and k2so4

science
Calculate the pH of the solution 5ml of M/5,HCl+10ml of M/10 NaO

history
calculate the tariff of your total stay in khaplu hotel.?

CHEMISTRY
CALCULATE THE DECREASE IN TEMPERATURE FOR 22.0 G SILVER THAT LOSES 625 J

Science
Calculate the energy release in 1 gram of Uranium 235

Maths
Calculate The Probability That At Least One Ball Is Blue.

CHEMISTRY
calculate the weight of co2 by complete combustion of 1.5 \g of ethane

maths
calculate the surface area of a sphere of which the volume is 9000mm^3

science
A sample of calcite have 50%cao 40% L.o.i.calculate %of caco3?

chemistry
calculate the normality of 4g of sodium hydroxide in 100ml of solution

math
-8x 20 is a tangent to f(x) x^3 x^2 bx 18 at x=1 calculate the values of a and b I tried the question but I failed

Chemistry
Calculate the number of H Atoms present in 0.125 g CH3OH

Math
The side of a square is 15 cm. Calculate the length of its diagonal. (1dp)

maths
the net of a cube has an edge of 5cm. calculate the perimeter

Maths
Given that 3^9 + 3^12 + 3^15 + 3^n is a perfect cube number. Calculate the value of n.

CHEMISTRY
CALCULATE THE OSMOLARITY OF THE FOLLOWING ).1M KNO3 & ).35M Na3PO4 & 0.35

Chemistry
calculate number of moles of NH3 if 8g of H2 reacts in excess N2

chemistry
Calculate pH of 6ml of 3M HNO3 diluted to 18 litres of water

science
calculate the moles of oxygen atom in 6.2 g of calcium carbonate?

Chem
Calculate the mass of 0.025 moles of sodium bicarbonat

chemistry
calculate the mass at 15.0 L at NH3 at 27 digree Celsius and 900 mm hg?

modern physics
Calculate the commutator [ p, e^ik.x ] where the function e^ik.x may be expanded as: e^ik.x = ∑infinite,n=0 (ik.x^n/n!)

Chemistry 151
Calculate the concentration in g/dm3 of HNO3 in solution A. (H=1; N=14; O=16; Na=23)

chemisrty
Calculate the density of Argon (Ar) gas at 400.0K and 1.23 atm.

Chemistry
Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

Chemistry
Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

Chemistry
The Ksp of manganese(II) hydroxide, Mn(OH)2, is 2.00 × 10-13. Calculate the solubility of this compound in g/L.

mechanical
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer diameter of the tank is 1.20, and the wall of the tank is 20.0 mm thick and the mamimum internal pressure is 2.00 MPa. (a) Calculate the maximum hoop ...

mathematics
The basic wage earned by a truck driver for a 40 hr work week is \$560.00. A)Calculate his hourly rate. Is the ans \$14 per hour 2) For overtime work, the driver is paid one and a half time the basic hourly rate. B)Calculate his overtime wage for 10 hrs of overtime Is the ans...

math
Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2). Enter your answer with the correct number of significant figures. 885.75 g + 10.151 g - 25.50 g Calculate the value of the following in exponential ...

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