a density of 1.0 M solution of NaCL
29,680 results, page 78

ChemistryPLease help!
What is the density of CO2 gas at 25.2 degrees celsius and 98.0kPa? 
physics
if a wooden beam is 30 x 20 x 500 cm. and has a mass of 150 kg. what is the density of the wood 
9th grade chemistry
How do you determine the density of 22 ml of a blue liquid that has a mass of 51.1g 
organic chemistry
calculate the mass in grams of 10.0ml if mercury (Hg) is the density Hg 13.6g/ml 
physics
Calculate the number density of strontium titanate (SrTiO3), ρ = 5.12 g cm 3 
science
what unknow liquid with a density of 10g/mi and volume of 10 mi what is the object mass 
chemistry
what is the volume of 250.0 grams of acetone whose density is 0.7899 g/cm 
chemistry
what is the density of a piece of metal that has a mass of 18g and volume of 2mL 
chemistry
You discover that the volume of the material is 150 mL. Its mass is is 1701g. What is its density? 
chemistry
What is the density of sulfur dioxide gas at 25 degrees celsius and 754 mm Hg? 
Science
How can you make density of 1g/ml, for a 600 ml bottle whose mass is 27 gms 
Science
How can you make density of 1g/ml, for a 600 ml bottle whose mass is 27 gms 
AP Chemistry
NF2 has (2, 3, 4) regions of high electron density and (2, 4, 6) bonded electrons. 
chemistry
a gasoline tank has a mass of 60 kg and a density of .752 gcm^3 what is the volume 
physics
A piece of metal has a density of 0.20g/cm^3.what is the volume in cm^3 of a 1g sample of a substance? 
science
calculate the density of a liquid if 150g of a substance with 188mL volume 
Chemistry
What is the mass of 36.0mL of a liquid if its density is 2.70g/mL? is the right answer 97.2 g? 
chemistry
how do you calculate density of a substance with a mass of 100g and a volume of 48ml 
scienceelectromagnetism
how do we calculate the current density given the magnetic field? 
Science
If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density? 
Science
If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density? 
Science
If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density? 
science
If a cocolate bar has a mass of 5 grams and a volume of 10cm3 what is its density 
PHYSICAL SCIENCE
density of a sample of zinc that has a mass of 48 kilograms and a volume of 7.5 mL. 
science
how is it possible a can with calculated density greater than 1.00g/ml could have floated? 
Chemistry
What is the density of a gasoline sample that has a volume of 13.3 mL abd a mass of 8.86 grams? 
chemistry
Given density of Mercury, 200.59....how do I calculate for the mass of 33.5mL 
math
A cube of side length of 11cm and a mass of 2000g has what density? 
physics
a star has a mass of 2.0 10 30kg and a radius of 3.4*106m. what is its average density in kg/m3 
principles of physics
Find the density of a 4.2 kg solid cylinder that is 13 cm tall with a radius of 5.0 cm. 
enviromental science
what are the two causes of density in deep current waters. 
Chemestry
I got NaOH 7%, its density is 1,08g/ml. Calculate the molar concentration 
Chemistry
Describe the density and compressibility of solids versus liquids and gases. 
chemistry
What is the density of a sphere with a radius of 12.7 meters and a mass of 285 kilograms? 
science
what is the density of a piece of wood that has a mass of 85.0 grams and a volume of 100.0 cm 3 ? 
AP Human Geography
What are some mathmatical examples of physiological and agricultural density? 
chemistry
Ethylene glycol (antifreeze) has a density of 1.11 g/cm^3 What is the volume in liters of 3.42 kg of this liquid? 
Chemistry
What is the density, in grams per liter, of N subscript 2 gas at STP 
general chemistry
the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^23 grams what is the density 
chemistry
Ethylene glycol (antifreeze) has a density of 1.11 {\rm g/cm^3}.What is the mass in G of 435mL of this liquid? 
math
A 14gram object has a volume of 35 cubic centimeters. Find its density. 
Chemistry
What is the volume of a sample of helium that has a mass of 5.13x10^3 and a density of 0.17847g/L 
Chemistry
What is the density of 3.40 Liters of Hydrochloric acid (HCl) that has a mass of 24.5 grams? 
chemistry
the density aniline c6h5nh2 is 1.02g/mL how many molecules are present in 1.00Lsample 
AP Chemistry
assuming a density of 1.0 g/mL, calculate the molarity and mole fraction of 3.0% h2o2 
chemistry
if a coin with 3.0 cm diameter, 0.2 cm thickness weighs 10.377g, what are its volume and density? 
Physics
A piece of metal has a mass of 85 cg and a volume of 450L. What is it's density in g/cm3? 
math
Suppose thatthe joint density of X and Y is given by (x,y)=e(x/y).e(y) ,0<x<‡,0<y<‡ and is o otherwise. Find P(X>1 / Y=y) 
Maths
Suppose thatthe joint density of X and Y is given by (x,y)=e(x/y).e(y) ,0<x<‡,0<y<‡ and is o otherwise. Find P(X>1 / Y=y). 
Science
An object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?¿??????????????? 
science (Need FAST FEEDBACK!!!)
Is a density bottle the same as a pycnometer? 
Chemestry
Calculate the density of an object with a mass of 2.14g and a volume of 11.40mL. 
chemistry
All polymers made from polyethylene will have the same density. 
Chemistry
Calculate the mass of a 0.253mL sample of a liquid with density 0.789 g/mL 
chemistry
Skim milk has a density of 1.028 g/mL. How many grams are needed to get 0.786L? 
Chemistry
Find density of C02 at room temperature and normal pressure. 
Integral Calculus
Find Mx, My, and (x, y) for the lamina of uniform density ρ bounded by y=1/2x ,y>0 x=2 
chemistry
vapour density of gas is 11.2 volume occupied by 22.4gms at STP? 
chemistry
The density of an elemental gas is 2.14 kg/m3 at STP. What is its approximate molecular weight? 
science
what is the density of an object with a mass of 60g and a volume of 2cm cubed 
math
calculate the mass of cube which has a density of ,1000kg/m^3 and side of length 2m 
physics
: what is the density of an object with the mass 60g and volume 25cm cube 
Biochemical methods
Expain the preparation of 250ml of 2.5% v/v H3PO4 (MW=98.0,density=1.71,%purity=85% 
pandu
Calculate the density of sphere whose mass 20g and its diameter 14 cm 
Chemistry
If the density of a gas is 1.2g/L at 745.torr and 20 Celsius, what is the molecular mass? 
science
What influence does the density of methylated spirit have on the surface tension? 
science
The measured density oe He at NTP is 0.1784g/l.what is the weight of one mole? 
chemistry
The measured density oe He at NTP is 0.1784g/l.what is the weight of one mole? 
physics
what is the importance/significance of calculating the magnetic flux density of a solenoid? 
science
What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3 
physics
Find the density of the earth if its mass is 6×10^3kg and radius is 6.4×10^3km 
Science
A 1.37molal of H2SO4 has a density of 1.22g/mL.Determine the Concentration in Normality 
science
Water has a density of 1g/ml. If an object has a densidy of less 1g/ml will sink or float? 
Physics
The density of an object is 1500kgm3, the mass is 10000g find the volume 
Maths
What is the density of a block of wood with a mass of 1 gram and a volume of 2 cm3 
chemistry
What volume of alcohol would you use if you needed 25.0 g? Density is 0.7855 g/ml at 20°C 
Physical sci
The Density of aluminum is 2.70 g/cm3. What volume does 2000 g occupy? 
science
How do I prepare 3% H2SO4 from concentrated sulphuric acid (98% with density 1.84g/ml)? 
Biology
Calculate the molality and molarity of 16% aqouos methanol by volume density 0.9g/ml 
algebra
Solve the system of equations using the addition (elimination) method. If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is "no solution" or "infinitely many solutions" and state how you arrived at that conclusion. 4x... 
chemistry
the much used drug cocoaine is an alkaloid. Alkaloids are noted for their bitter taste, and indication of their basic properties. Cocaine, C17H21NO4 is soluble in water tot he extent of 0.17 g/100 ml solution, and a saturated solution has a pH of 10.08. What is the Kb for ... 
Chemistry help pliz
Explain (using equations) how a solution of 1.0 mol dm^3 in both CH3COOH and CH3COONa is resistant to changes n pH when we add either small amounts of acid or small amount of base (such solution is called a buffer) 
Chemistry
H2C2O4.2H2O(s) is primary standard substance. 2.3688g of oxalic acid hydrate were completely neutralized by 42.56ml of NaOH solution. Calculate the molar concentration of the NaOH solution. Write the balanced equation for the reaction. 
Chem AP
A 0.505g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.56 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar mass of this solute? 
chemistry
A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and titrated with a 0.050 M solution of NaOH. The pH of the solution was monitored throughout the titration, and the following data were collected. Determine the Ka of the acid. ... 
chemistry
A solution contains 0.20 M Cl and 0.20 M SO4^2. a) identify a cation that could be added to the solution to give a precipitate with only one of these anions. MY answer: Cu+ b) write the net ionic equation for the precipitation reaction in part a) MY answer: Cl^ + Cu^+ ==>... 
Algebra 1 (Reiny or Kuai)
1. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system. What does the ... 
Chemistry
Consider a 9% by mass aqueous ethyl alcohol solution. a.) Calculate the molality of this solution_____m b.) Given that ethyl alcohol is a molecular solute, calculate the freezing point of this solution. ________ degrees Celsius. c.) Consider the boiling point of each solution... 
CHEMISTY
A 25.0 mL sample of perchloric acid solution required 45.3 mL of 0.101 sodium hydroxide solution for complete neutralization. what was the concentration of the perchloric acide solution? work: 0.0453 L NaOH x ( .101 mol NaOH/ 1L NaOH) x (1 mol HClO4/ 1 mol NaOH) x (25.0 mL ... 
college chemistry
.361 g of a nonvolatile solute is dissolved in 160.0 g of water. The solute does not react with water nor dissociate in solution. Assume that the resulting solution displays ideal Raoult's law behaviour. At 90 oC the vapour pressure of the solution is 5.1701×102 torr. (The ... 
Chemistry
1. A chemist prepares a solution by dissolving 4.603 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label? Answer in units of M 2.If the chemist mistakenly makes 225 mL of solution instead of the 200 mL, ... 
chemistrylast one i swear
calculate the normality of Ca(OH)2 in a solution made by dissolving 4.75 g Ca(OH)2 in enough water to a make 250 mL of solution 
chemistry
A saturated solution of ammonium sulfate, (NH4)2SO4, in water at 30 0C contains 78.0 g (NH4)2SO4 per 100.0 g H2O. What is the molality of this solution? 
Chemistry
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at 0.085 degrees C. how many grams of urea were dissolved to make this solution. 
chemistry please
if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^5)(.04L ethanol)? 
algebra
Use < or > to make the statement true. 11 > 5 is this right. Solve for the indicated letter. b=2c for c The solution is c=2*c is this right. Solve 0.5<20 THe solution is (x4 Check these problem for me please 
algebra
solve by the elimination method 3r  7s =29 7r + 3s = 29 What is the solution of the system? Type an ordered pair. Type an interger or a fraction or type N if there is no solution or type 1 if there are infinitely many solutions. 
Chemistry II
A total of 30.6 g of potassium hydrogen phthalate is needed to completely neutralize a 500.0 mL solution of sodium hydroxide. What is the molarity of the sodium hydroxide solution? 
Chemistry
How can the Tyndall effect be used to distinguish between a colloid and a solution? Can the presence of Brownian motion distinguis between a solution and a colloid? explain. 
chemistry
A beaker contains 250.0 mL of a 1.00 M HCl solution. How many moles of the acid would remain in the solution after 0.199 moles of HCl are neutralized?