When a silver necklace is submerged in 20.14 mL of water, the water level rises to 22.80 mL due to the volume of the necklace. What is the mass of the necklace? b.

Q: Earth’s oceans contain approximately 1.36 * 109 km3 of water. Calculate the volume in liters

A: Given information,      Volume of water is 1.36 * 109 km3 .

Q: The dishwasher broke down. You want to use chlorine bleach solution to sanitize you’re dishes at…

A: To calculate the amount of bleach , we would first calculate the volume of whole sink . Also it is…

Q: Hot-air balloons float because the air caught inside the balloon is heated up by a burner, making it…

A: The density of a compound is determined by the ratio between mass of the compound to its volume. It…

Q: The volume of water used for crop irrigation is measured in acre-feet, where 1 acre-foot is the…

A: (a)  Since 1 acre = 43560 ft21 acre-foot = 1 acre × 1 foot So, 1 acre-foot =  43560 ft3So, cubic ft…

Q: A 5.65 carat diamond is dropped into a graduated cylinder containing 5.72 mL of water. What was the…

A:

Q: What mass of sodium chloride and what volume of water a.

A: The mass percentage of any substance is given by the formula below. Mass percent=Mass of the…

Q: On a snow course, the snow depth is measured as 2 m. The density of snow is measured as 30%. What is…

A:

Q: What volume of water is in 150g of water

A: For water, the density is 1 gm per ml. Volume can be calculated by dividing mass by density.

Q: A chemist makes 0.590 L of mercury(II) iodide (Hgl,) working solution by adding distilled water to…

A:

Q: A solution is made by dissolving 8 grams of a salt in 100 cm³ of water (density = 1 g/cm³). Assuming…

A: Given: Mass of salt = 8 gm Volume of water = 100 cm3 Density of water =  1 g/cm3 We know that,…

Q: Given the values/charts from the ChE Handbook, calculate the density of water in g/ml.

A: Given that -  Density of water at different temperatures are -  Temperature, K  Density, mol/dm3…

Q: A solution of sucrose in water is 28.0% sucrose by massand has a density of What mass of sucrose,in…

A: Solution-  percentage of the sucrose in the given solution=28% by massits mean 28 g sucrose in the…

Q: A chemist prepares a solution of silver nitrate (AGNO,) by measuring out 231. g of silver nitrate…

A:

Q: When a marble is dropped into a beaker of water, it sinks to the bottom. Which of the following is…

A: When a marble is dropped into a beaker of water, it sinks to the bottom. Which of the following is…

Q: The Helium-filled balloon is initially inflated to a radius of 6 inches (assume a sphere). The…

A:

Q: Two bottles of salt water were created with 52 grams and 62 grams of NaCl into two different sized…

A: In this question, we want to determine which Bottle ( A or B ) is least salty ( least Concentrated )…

Q: A chemist makes 930. mL of potassium iodide (KI) working solution by adding distilled water to 210.…

A: Given 210 mL of 6.29 M solution diluted to volume of 930 mL then the concentration of new solution…

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A: Mass percentage of chromium = 18 % Mass percentage of Nickel= 8% Mass percentage of iron = 100 - (18…

Q: Aglass apparatus contains 26.040gof water when filled at 25 °C. At this temperature, water has a…

A: The volume of the apparatus is equal to the volume of water that can be filled in the apparatus. The…

Q: A chemist makes 320. mL of calcium sulfate (CaSO,) working solution by adding distilled water to…

A:

Q: In a butane lighter, 9.8 gg of butane combines with 35.1 gg of oxygen to form 29.6 gg carbon dioxide…

A:

Q: A 2L bottle of soda is used to pour three 12 oz drinks. How many mL of soda are left in the bottle?…

A: Given Volume of Soda bottle = 2L = 2000 mL = 2000 x 0.03 oz = 60 oz We need to fill three 12 oz…

Q: A farmer applies 1350.0 kg of a fertilizer that contains 10.0% nitrogen to his fields each year.…

A: According to question.Amount of fertilizer applied =1350 kg/yearAmount of Nitrogen in applied…

Q: 71 mL of oxygen gas at a temperature of 70 degrees Celsius expands to 86 mL upon heating. What is…

A: Given :-  initial volume of gas = 71 mL initial temperature = 70 °C final volume of gas = 86 mL  To…

Q: Object C: Mass: 3.1 grams Volume: 5.8 cm Density: 53 g/cm up 3 Object E: Mass: 4 grams Volume: 4 cm…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Wyoming…

A:

Q: mol A chemist makes 550. mL of calcium bromide (CaBr,) working solution by adding distilled water to…

A: Given : volume of stock solution used = 160 mL  concentration of stock solution = 7.38 mol/L And…

Q: A beaker is filled with 200 mL of water. After boiling, the beaker has 175 mL of water. What is the…

A:

Q: A chemist prepares a solution of silver(I) nitrate (AGNO,) by measuring out 245. µmol of silver(I)…

A: Concentration in terms of Micromole per litre...

Q: A chemist prepares a solution of sodium chloride (NaCi) by measuring out 4.66 g of sodium chloride…

A: Given,  Mass of NaCl = 4.66 g  Molar mass of NaCl = 58.5 g/mol  Volume = 50 ml                 =…

Q: A chemist prepares a solution of sodium nitrate (NaNO,) by measuring out 270. g of sodium nitrate…

A:

Q: A solid sample weighing 12.10 g occupies a volume of 0.0150 L. Will the solid float or sink in…

A: Density of the substance is equal to the ratio of mass to the volume. Substance having low density…

Q: Calcium carbonate decomposes at 1200 °C to form carbon dioxide and calcium oxide. If 25 liters of…

A: Given: The volume of carbon dioxide collected at 1200°C is 25 L. The final temperature is 25°C.

Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 0.032 µmol of magnesium…

A: Concentration of a solution is the ratio of moles of solute to volume of solution.

Q: A balloon has a temperature of 234K and a volume of 5.78 cubic meters. If the temperature was…

A: V = 5.78 m3  T1 = 234K T1 = 327K Here pressure is kept constant

Q: the volume of an irregular shaped rock is determined by displacement. when the rock is added to…

A: Given: The initial volume of water in which the rock is added = 38.5 mL. The water volume rises to…

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 81.7 g of sodium chloride…

A: Given: Mass of sodium chloride=81.7 g Volume=450 ml To find: Concentration in mol/L Solution:…

Q: the human body is approximately 60.% water, and one-half of the mass of the dry portion is protein.…

A: Given that human body is approximately 60% of water.

Q: An airport weather balloon is filled to the volume of 112L on a day when the temperature is -8 °C.…

A: For calculating the volume at constant pressure we use the Charles law.

Q: Organisms can live on Earth because of Earth's location in the solar system. How does Earth's…

A: Answer

Q: A sample of clean, dry air is found to be 20.9% oxygen by volume. How many milliliters of oxygen are…

A: % volume by volume =( volume of solute/ volume of solution )×100 volume of oxygen = 20.9%

Q: A chemical analysis shows that a sample contains 250.0 micrograms of uranium in 4.0x104 grams of…

A: Mass of uranium = 250 mg = 0.250 g Mass of water = 40000 g

Q: 9. 8. 7. 10

A: The image given is of a burette. A burette is an instrument use dto deliver accurate measurement of…

Q: A chemistry student needs 5.00 g of acetic acid for an experiment. She has available 300. g of a…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: A chemist prepares a solution of zinc nitrate (Zn(NO,)) by weighing out 166. g of zinc nitrate into…

A: Given Mass of zinc nitrate =166g Volume of solution = 300mL Concentration of solution in g/L is…

Q: Hydrogen gas was cooled from 150°C to 50°C. Its new volume is 75 mL. What is the orignal volume ?

A: Given data is as follows: The initial temperature of the hydrogen gas T1= 150 °C=150+273=423 K The…

Q: An alcoholic drink contains 36% alcohol by volume. Calculate the volume in ml of alcohol present in…

A: The percentage volume by volume of a solution is defined as the volume of solute present in 100 mL…

Q: What is the level of water in a tank in inches if a measurement of 9.38 psi is made at the bottom of…

A: Given: Pound force per square inch at bottom of the tank = 9.38 psi

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.