# How to Calculate..

24,346 results

**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~ .

**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 ...