a density of 1.0 M solution of NaCL
29,659 results, page 82

science
A sample of metal has a mass of 94.5 grams and a volume of 7 civic centimeters. What is its density? 
chemistry1046
what is the density of a medication if the contents of a syringe filled to 3.00ml weighs 3.85g? 
h
1. John has a book that measures 25cm x 30cm x 50cm and has a mass of 70g. What is the density? 
scien
the relative density is 6.5. find the mass of the solid cube of side 2ocm 
Chemistry
The density of an elemental gas is 1.7824 g/L at STP. What is the molar mass of the element? 
Chemistry
If the density of the vapor at 90°C and 759 mmHg is 1.455 g/L, what is the molecular mass of the compound? 
science
How can you predict if a block of plastic will float in water? I know it has something to do with density but not sure. Thanks.. 
Chemistry
A sample of 50.0 mL if sulfuric acid that has a density of 1.84 g/mL would have a mass of how many grams? 
Chemistry
How do you calculate the mass in kilograms of 3.99 liters of acetic acid. The density of this substance is 1.05 g/mL. 
chemistry
calculate the mass in kilograms of 3.99 liters of acetic acid. the density if 1.05g/ml. 
physics
A 6.2kg piece of metal displaces 0.80 L of water when submerged.Find its density. 
Chemistry
What is the density of CO2 at STP in g/L? How would I do this problem using dimensional analysis? 
geography
calculate the freeboard of a 10m thick iceberg in saltwater (seawater density of 1025 kg/ m^3) 
Physics
can you use principle of density and buoyancy to explain how a cartesian diver works? 
Chemestry
I got NaOH, 7%, and its density is 1,08g/mol. Calculate the molar concentration. 
Chemistry
The density of a liquid is 3.22 g/mL. How many milliliters are there in 2.62 kg? If you answer this could you give me an explanation of how to solve it in the future 
CHEM
g of alchol present in 2.45l of 75 proof gin density of ethonal is 0.798 g/ml = 
chemistry
the density of alcohol is 0.789 g/ ml at 20 degree celcius . calculate the mass of a 30 ml sample? 
Chemistry
Given 1.7 g of hydrobromic acid (48%) calculate the number of mL. (MW HBr: 80.91 g/mol, density: 1.49 g/mL) 
chemistry
What is the density of a substance that weighs 500g and fills a container that is 1/2 liter in size? 
PHYSICAL SCIENCE
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density 
chemistry
What is the density of a 23.92 g object block if the dimensions: length = 10.6 mm height = 5.47 cm width = 0.0352 m 
science
An object has a mass of 10 grams and a volume of 5cm3 calculate the objects density 
Maths
Calculate the density of earth given that its mass is 5.98x10^24 kg and volume is 8.78x10^8 m/s 
chemistry
calculate the volume in milliliters of a 5.55g sample of solid with density of 3.67g/ml 
chemistry
What is the density of a sample of 65.0mL of automobile oil having a mass of 59.82g 
algebra
what is the density of a billiard ball that has a volume of 100cm cubed and a mass of 250g? 
science
what is the density of carbon tetrachloride vapor at 0.975 atm and 125 celsius 
Science
Is it incorrect to use g/ml as the unit for the density of a solid object? I thought g/ml and g/cc were the same. 
physics
What is the apparent weight of a lead brick 2.0 in x 2.0 in x 8.0 in if placed in oil with density p=0.93 g/cm^3 (Ppb=11.4 g/cm^3)(1 in. = 2.54 cm) 
Physics
If the specific volume of red brass is 0.001865 ft/3lb. What would be the density? Thanks! 
ap chemistry
What is the density of hydrogen sulfide (H2S) at 0.9 atm and 295 K? Answer in units of g/L 
chemistry
What is the density of a 16.54 g object if the dimensions of the block are: length = 12.6 mm height = 1.91 cm width = 0.0140 m 
Chemistry
Calculate the density a gas will have at STP if its molar mass is 41.8 g/mol. 
math
Find the density of an object which has a mass of 360 grams and fills a volume of 36 mL. 
chemisty
What is the density of a 17.12 g object if the dimensions of the block are: length = 12.6 mm height = 9.82 cm width = 0.0140 m 
science
ANSWER to the qestion what is the density of a baseball be if the volume is400mL and the mass is 350g. 
Physical Science
The transfer of heat that takes place because of the density difference in fluids is 
chemistry
a comparision of density value bx xray reveals that % of Al are 0.07% at 923 K and 0.009% at 757 K 
chemistry
What is the density of a 19.74 g object if the dimensions of the block are: length = 12.6 mm height = 2.50 cm width = 0.0140 m 
Science
What is the formula to find density when weight is 90N, Vol is 45ml, Mass is 9.0g 
chem
the density of mercury is 13.5g/cc what volume of mermury would have a mass of 100g? 
math
The random variable X has probability density function f(x)={ax+bx2 , 0<x<1 . If E(X)=0.6 , find (a)P(X<1/2) and (b)var(x). 
Maths
The random variable X has probability density function f(x)={ax+bx2 , 0<x<1 . If E(X)=0.6 , find (a)P(X<1/2) and (b)var(x) 
physics
A standard 1 kilogram weight is a cylinder 48.5 mm in height and 52.0 mm in diameter. What is the density of the material? 
Chemestry
determine the volume of a sample of plastic if the mass is 3.00g and the density is 1.24g/cm^3 
chemistry
Why would a unknown solid cube sink in cholorform that has a density of 1.489 
science
What is the density value of octane at the pressure of 101.325kpa and temperature of 298K? 
Chemistry
What volume of carbon tetrachloride (density = 2.71 g/mL) contains 2.46x10^25 chlorine atoms? 
Heat and property matter
When a gas in a container is squeezed to half its volume,its density 
Chemistry
What are some of the distinctive properties of gases with respect to: density, volume, shape? 
Sicience
Calculate the density of a liquid that has a mass of 20g and a volume of 315.4ml 
science
A piece of metal has a mass of 120 grams.if its volume is 8 cm3.what is its density? 
science
the density of an object with a volume of 60.0 mL and a mass of 400.0g is___? a. 0.150g/mL b. 2.89g/mL c. 5.50 g/mL or d. 6.67 g/mL 
science
The density of o2 at NTP is 1.429g/l.calcute standard molar volume of gas? 
science
the density of o2 at NTP is 1.429g/l.calculate standard molar volume of the gas? 
Science
Calculate the density of a 45g nickel weight and a volume of 22 cubic centimeters. 
Physics
An object of area 15sqcm and height 2 cm has a mass of 50g. what is its density in SI system 
Physics,Mthe
a body of mass is100an objet and volume is 10 .find the density 
Chemistry
Using the fact that fresh water has a density of 1000 kg/m3 , show that 5ppm Pb = 5 mg/L Pb . 
chemistry
Calculate the vapour density of a triatomic gasX if it's relative atomic mass is 16 
Science
Measure the pressure of water being 1000kg/m×m×m and density and 40 kg weight on its base? 
Science , phycics
Calculate the density of an object of volume 3mcube and mass is 9kg? 
physics
The density of a gas is 1.25 kg m – 3 at N.T.P. Find the Root mean square velocity of its molecules. 
Science
The density of a loaf of bread with a mass of 500 g and a volume of 2500 cm3. 
Science
What is the relationship between drainage density and a) Rainfall b) Vegetation c) Soil Erodibility 
Chemistry
What is the density of KCl at 25.00 °C if the edge length of its fcc unit cell is 628 pm? 
AP Chemistry
A mixture of 20.0 grams of CaO and BaO is placed in a 12.5 L vessel at 200oC with excess CO2 . The mixture is allowed to react to completion forming CaCO¬3 and BaCO3 .The pressure in the container after reaction is 220 torr. The solid carbonates are neutralized by adding 650.... 
math
in her chemistry class, Lauren must produce 300ml of an 80% acid solution. Her teacher gives her two concentrations of acid solution, a 50% and a 100%. determine how much of each concentration that she must use. 
College Chemistry Lab
The absorbance of a 9.25x10^8M solution of a fabric dye was measured to be 0.835 at a particular wavelength. What would the absorbance be for a 4.65x10^8M solution of the same dye under identical conditions? 
chemistry
what volume (in L) of 0.150 M KCl solution is required to completely react with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the following balanced chemical equation? 2KCl (aq) + Pb(NO3)2 (aq) > PbCl2 (s) + 2 KNO3 (aq) 
chemistry
A solution is made by mixing 35.0 mL of toluene C6H5CH3d=0867gmL with 125.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are how do you find the L of SOLUTION 
Chemistry
The ΔH per mole of CaCl2 is 81.0 kJ. Calculate the final temperature of an aqueous solution if 30 g of CaCl2 are added to 100 g of water at 23oC. Assume that the specific heat of the solution is the same as that of water 
college chemistry
A solution of C6H5CO2Na hydrolyzes according to the equation. If the [C6H5CO2H] in the solution after hydrolysis is 0.00000294 M, calculate the equilibrium concentration of C6H5CO2Na. C6H5CO2(aq) + H2O(l) = OH(aq) + C6H5CO2H(aq) Kh=1.59×1010 What does Kh stand for? Is it ... 
Speech
After analyzing a problem, what is the next step in the problemsolving process? a. Develop creative solutions. b. Identify possible solutions. c. Select a solution. d. Implement a solution. I think it might be B 
chemistry
g)How many grams of agarose are needed to make 100 ml of 2.5% agarose solution?. h) Calculate the volume of buffer to which 500mL of 40 mM potassium chloride solution must be diluted to make a new concentration of 0.001M. 
Chemistry
Suppose you are going to add 450 mL of a 0.10 mol/L hydrochloric acid solution to 250 mL of a 0.2 mol/L sodium hydroxide solution. a)Which one is the limiting reactant? b)What is the theoretical yield of sodium chloride? 
chemistry(PLease Help)
An aqueous solution contains 0.223 M carbonic acid and 0.112 M hydrobromic acid. Calculate the carbonate ion concentration in this solution. [CO32] = mol/L. Can you please help me how to solve this problem? 
Chemistry
Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced. 2.5M * 0.025L/2=x/132 =4.125g 
chemistry
Titration of 50.00 mL of 0.0521 M sodium oxalate, Na2C2O4, required 38.71 mL of a potassium permanganate solution: 5 C2O42 + 2MnO4 + 16H+ = 2Mn2+ + 10 CO2 + 8H2O Calculate the molarity of the potassium permanganate solution. 
Chemistry
A watch is to be electroplated with gold.  provide a solution that would make a suitable electrolyte for this cell. I'm not quite sure how to figure out what the electrolyte solution is made of. Any help you can give me would be wonderful! 
Chemistry
A buret is partially filled with NaOH solution, to a volume of 1.14 mL. A 20mL sample of 0.1011 M HCl is titrated to a faint pink phenolphthalein endpoint. The final buret reading is 22.37 mL. What is the molartiy of the NaOH solution? 
Chemistry
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated? 
Chemistry
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated? 
Math
1.) Can a system of linear equations have exactly two solutions? A. True B. False 2.) The solution of a system of equations with no solution describes what kind of lines? a.) parallel b.) perpendicular c.) skew d.) coincidental 
chemistry
what is the hydronium ion concentration of a 0.35M oxalic acid, H2C2O4. solution? for oxalic acid, ka1= 5.6x10^2 and ka2=5.1x10^5. Identify and calculate the concentrations for the representative species in solution. 
chem
sample of 1.00g of BaSO4 and a similar sample of 1.00g of CaSO4 were added to water at 25 Celsius to give 1L of solution. Calc. the concentration of Ba2+, Ca2+, and SO4^2 ions present in the solution? 
CHEMISTRY
If a solution is made by dissolving 15g of each solid in the same 100g of water at 70 degrees and the solution is cooled to 20 degrees, crystals are observed.. Which solid crystallises and explain in reference to both solids 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3<_3(4x7) Thats supposed to be a greater than or equal to sign lol 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3<_3(4x7) Thats supposed to be a greater than or equal to sign lol 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3<_3(4x7) Thats supposed to be a greater than or equal to sign lol 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3<_3(4x7) Thats supposed to be a greater than or equal to sign lol 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3<_3(4x7) Thats supposed to be a greater than or equal to sign lol 
chemistry
An 11.1g sample of CaCl2 is dissolved in 123 g water, with both substances at 24.0°C. Calculate the final temperature of the solution assuming no heat loss to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C·g. 
Chem
An antifreeze solution is prepared containing 40.0 g of ethylene glycol (molar mass = 62.0 g/mol) in 60.0 g of water. Calculate the freezing point of this solution. Which calculation is it? A. 120.1⁰C B. 20.1⁰C C. 0.518 ⁰C D. 20.1⁰C 
CHEMISTRY
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 
chemistry need help
how to determine the molarity of iron (II) acetate solution? design an experiment. Would it be possible to determine the molarity be immersing a material in it then applying another substance ? confused because there is no way to know liters of solution. 
Solar
Greeting All, please assist with the below. Thanks. The spectral power density of a solar simulator is given by: P(λ)=7.5∗1015λ−2.25∗109 [Wm^2m^1] for 300nm<λ<500nm P(λ)=2.25∗109−1.5∗1015λ [Wm^2m^1] for ... 
Chemistry
1.If the atmosphere can support a column of mercury 762 mm high at sea level, what height of water could be supported? The density of water is approximately 114 that of mercury.Answer in units of mm 2.If the atmosphere can support a column of mercury 762 mm high at sea level, ... 
Chemistry
A student placed 17.0 g of glucose (C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 mL mark on the neck of the flask was reached. The flask was then shaken until the solution was ...