Questions and answers by

anonymous _25

Questions (102)

find the number of electrons with the value of azimuthal quantum number L=1 for Cd+2
1. 1 answer
2. 91 views
When breaks are applied to a racing car, traveling at 180 kilometer per hour. it stops after traveling for 4 seconds. What is.
1. 3 answers
2. 130 views
The correct sequence, which shows decreasing order of the ionic radii Off the element is. option A. AL 3 plus.> MG2 plus.> N A
1. 7 answers
2. 156 views
A body moving with an initial velocity of 2 meter per second accelerates uniformly at 0.5 meter per second square. What is its
1. 2 answers
2. 135 views
A body moving with uniform acceleration. covers 65 centimeters in the fifth second and 105 centimeter in the ninth second. What
1. 1 answer
2. 135 views
Number of atoms in 2 gram O2.
1. 1 answer
2. 167 views
the number of atoms of oxygen present in 11.2 l of ozone at ntp are
1. 1 answer
2. 272 views
mass of 12*10^24 atoms of hydrogen
1. 5 answers
2. 133 views
In 1.71 gram of sugar (C12H22O11) find the number of. carbon. Atoms added.
1. 3 answers
2. 163 views
In 1.71 gram of sugar find the number of. carbon. Atoms added.
1. 3 answers
2. 198 views
The total number of items in 8.5 grams of NH 3 is.
1. 3 answers
2. 154 views
Suppose that you could decompose. 0.250. Mall of AG2S into it. element. How many moles of silver do you have? And how many moles
1. 3 answers
2. 161 views
All chemist. weighs A cylinder Of compressed oxygen O2. And finds that it Has a mass of 102 7.8 gram. After some of the oxygen
1. 5 answers
2. 177 views
All chemist. weighs A cylinder Of compressed oxygen O2. And finds that it Has a mass of 102 7.8 gram. After some of the oxygen
1. 1 answer
2. 188 views
Calculate the mass of. aluminum. That would have The same number of atoms as. 6.35 gram off cadmium.
1. 1 answer
2. 133 views
An aqueous solution is. 1.33 molal in methanol. Determine the mole fraction of methanol and water.
1. 9 answers
2. 209 views
A 62% by mass of aqueous solution. of acid has specific gravity 1.8 . This solution is diluted such that. the specific gravity
1. 1 answer
2. 185 views
7/5√x^2 find derivative
1. 1 answer
2. 107 views
-√x^1.8
1. 5 answers
2. 105 views
valency of osmium
1. 5 answers
2. 179 views
valency of astatine
1. 4 answers
2. 175 views
A compound on analysis gave the following results.C= 54.54%. H=9.09% O= 36.37%. And vapour density of compound = 88. Find the
1. 1 answer
2. 194 views
on complete combustion a gaseous hydrocarbon produces3.38g of CO2 and 0.690g of H2O and no other products. find the empirical
1. 3 answers
2. 169 views
Volume at N.T.P Of 0.22 gram of CO2 is same as that of.A) 320MG of Gaseous SO2 B) 0.085g of NH3 C) 0.01g of H2
1. 1 answer
2. 224 views
The. total number of atoms in. 8.5 gram of NH3 is.
1. 1 answer
2. 184 views
Al pharmacist adds 2.00 mL of distilled water to 4.00 gram of powder drug. The final volume of the solution is 3.00. Ml .What is
1. 1 answer
2. 229 views
Which is more concentrated vinegar ( 5%. {W/V }acetic acid) or 1 M acetic acid.
1. 3 answers
2. 123 views
Which is more concentrated vinegar ( 5%. W/V) acetic acid or 1 M acetic acid.
1. 1 answer
2. 184 views
Which is more concentrated vinegar ( 5%. W/ acetic acid or 1 M acetic acid.
1. 1 answer
2. 158 views
A common solution used by EMTs for keeping VEINS from collapsing in accident victims is 5% (m/v) dextrose (C6H12O6) in water.
1. 1 answer
2. 150 views
A common solution used by EMTs for keeping VEINS from collapsing in accident victims is 5% (m/v) dextrose (C6H12O6) in water.
1. 1 answer
2. 237 views
Calculate the molarity of a solution prepared by dissolving 125ML of pure methanol, CH3OH ( density = 0 .791 gram / mole.) into
1. 3 answers
2. 301 views
Convert 0.0035 NaCl by mass into parts per million of NACL.
1. 3 answers
2. 194 views
What is the volume percent of 10.00g of acetone in 1.55 liter of an acetone. water solution?( Density= 0. 789 gram/ml )
1. 1 answer
2. 262 views
mole fraction of HNO3 is 0.175. calculate mass of nitric acid and H2O.
1. 1 answer
2. 160 views
calculate W/W, V/V, W/V, mole fraction of solute and solvent and also calculate molarity, molality.weight of C6H6
1. 1 answer
2. 228 views
Sea water contains 53 PPM of Na2CO3 find mass of and a Na2 CO3. present in a glass of water.
1. 1 answer
2. 148 views
A HCL Aqueous solution is 7% (volume by volume) 7ML HCl is present in 100ML solution?
1. 1 answer
2. 297 views
The depth x to which a bullet penetrates a human body depends upon coefficient of Elasticity. and kinetic energy by the method
1. 0 answers
2. 178 views
Describe the process you would use in order to prepare 5.00 kg of an aqueous solution that is 8.00% in NaCl By mass.
1. 1 answer
2. 242 views
Convert 2.4 PPM F into molarity of fluoride. ion
1. 1 answer
2. 216 views
What is the concentration of NA + in parts per million by mass in 0.00152M Na2SO4
1. 1 answer
2. 266 views
What is the mass percent of solute When, 4.12 grams is dissolved in 100 .0 gram of water.
1. 1 answer
2. 237 views
What is the molarity of A solution containing 9.478 Grams of RuCl3 in enough water To make 1.00 L of solution.
1. 1 answer
2. 214 views
What is the molarity of a solution Containing 72.06 grams of BaCl2 in enough water to make 800 ml of solution.
1. 1 answer
2. 186 views
What is the molarity of a solution containing 5.035grams of FeCl3 in enough water to make 500 ml of solution?
1. 1 answer
2. 181 views
What is the molarity of a solution containing 11.522 grams of KOH in enough water to make 350ML of solution?
1. 1 answer
2. 309 views
What is the molarity of a solution containing 72.9 grams of HCL in Enough for the to make 500ML of solution.
1. 1 answer
2. 134 views
What is the molarity of a solution containing 5. 035 grams of FeCl3 in enough water to make 500 ml of solution?
1. 1 answer
2. 185 views
How many grams of HNO3 are required to prepare 500Ml of a 0.601M HNO3 Solution?
1. 1 answer
2. 152 views
How many grams of HNO3 are required to prepare 500Ml of a 0.6601M HNO3 Solution?
1. 1 answer
2. 170 views
How many grams of KMnO4 Is required to prepare 1.0 liter of a solution of 1.5 M KMnO 4?
1. 1 answer
2. 154 views
How many grams of NaCL are required to prepare 100ML of solution of 1M NaCl?
1. 4 answers
2. 205 views
What is the volume of a 0.1 M HCL solution containing one 1.46GM of HCL?
1. 3 answers
2. 146 views
Determine the volume percent of toulinein a solution made by mixing 40.0ML toluene with 75. 0 ml of benzene.
1. 1 answer
2. 193 views
What is the mass percent of sucrose in a solution Obtained by mixing 225 gram of An aqueous solution, that is 6.25% sucrose by
1. 1 answer
2. 181 views
Glucose is a sugar that is found abundantly in nature. What is the percent by mass of a solution made by dissolving 163g of
1. 1 answer
2. 154 views
Calculate the number of atoms in 3.227*10 ^10mol of potassium
1. 3 answers
2. 218 views
One mole of N2 molecules.
1. 7 answers
2. 162 views
Calculate the mass of 2.94*10^ 17 atoms of hafnium.
1. 1 answer
2. 105 views
calculate the mass of 8.22*10^23 atoms of rubidium
1. 7 answers
2. 132 views
the density of liquidwater is 0.997g/mlat 25 degree Calculate the massof 250ml of water
1. 9 answers
2. 112 views
When the ionic compound NH4Cl dissolves in water, it breaks into one ammonium ion, NH+4. And one chloride ion, CL -, if you
1. 15 answers
2. 215 views
8.00 grams of calcium chloride CaCl^2 to is dissolved in 1.000KG of water. Assume that the ionic compound CaCl^2 t separates
1. 27 answers
2. 223 views
8.00 gram of calcium chloride. Is dissolved in 1.000kg of Water. How many moles of calcium chloride are in solution? How many
1. 1 answer
2. 163 views
the weight of a diamond is given in carats . one carat is equivalent to 200mg . a pure diamond is made up entirely of carbon
1. 1 answer
2. 186 views
a student needs 0.015mol of iodine crystals (I2) , for an experiment what mass of iodine crystals should the student obtain?
1. 1 answer
2. 196 views
a student needs 0.015mol of iodine crystals , for an experiment what mass of iodine crystals should the student obtain?
1. 1 answer
2. 161 views
number of moles in 22.0g of phenol
1. 1 answer
2. 155 views
mass of 8.39*10^23 molecules of flourine
1. 1 answer
2. 169 views
mass of 0.0091mol of retinoic acid
1. 1 answer
2. 121 views
mass of 6.00*10^8mol of nicotine
1. 1 answer
2. 140 views
mass of 488 mol of calcium carbonate
1. 1 answer
2. 120 views
mass of 3.00mol of selenium oxybromide
1. 1 answer
2. 259 views
calculate mass of8.22*10^23atoms of rubidium
1. 1 answer
2. 133 views
calculate number of atoms in 0.0082g of gold
1. 1 answer
2. 179 views
the number of moles in 4.61*10^17 atoms of radon
1. 1 answer
2. 133 views
the number of moles in 4.61*10^7 atoms of radon
1. 1 answer
2. 104 views
the number of moles in 950000000atoms of plutonium
1. 1 answer
2. 109 views
the number of moles in 3.008*10^19 atoms of silver
1. 1 answer
2. 183 views
the number of moles in 1.06*10^23 atoms of tungsten
1. 1 answer
2. 131 views
the number of moles in 6.022*10^24 atoms of cobalt
1. 21 answers
2. 158 views
number of atoms in 3.227*10^10 mol of potassium
1. 1 answer
2. 145 views
number of atoms in 0.0019mol of zirconium
1. 1 answer
2. 102 views
number of atoms in 2.0*10^6mol of carbon
1. 1 answer
2. 118 views
number of atoms in 3.02 mol of tin
1. 1 answer
2. 94 views
number of atoms in 0.6144mol of copper
1. 1 answer
2. 199 views
number of atoms in 17 mol of germanium
1. 1 answer
2. 155 views
mass in grams of 3.29*10^4mol of lithium
1. 1 answer
2. 121 views
mass in grams of 0.0086mol of xenon
1. 1 answer
2. 149 views
mass in grams of 7mol of titanium
1. 1 answer
2. 128 views
mass in gramsof 4.08*10^8mol of neon
1. 1 answer
2. 119 views
mass in grams of 550mol of alluminium
1. 1 answer
2. 121 views
mass in grams of 1.002 mol of chromium
1. 1 answer
2. 139 views
number of moles in 3.37*10^6g of molybdenum
1. 1 answer
2. 106 views
number of moles in 3.37*10000000g of molybdenum
1. 1 answer
2. 128 views
number of moles of 3.37*10000000 of molybdenum
1. 1 answer
2. 138 views
number of moles in 5.64kg of barium
1. 1 answer
2. 110 views
number of moles in 0.00655g of antimony
1. 1 answer
2. 133 views
number of moles in 0.0073kg of tantalum
1. 1 answer
2. 135 views

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