You bought a Helium balloon for Valentine's Day. But you aren’t satisfied and want it to be bigger. You want to increase the volume of a balloon by 25%. If it starts with a volume of 18.5 L, how many grams of Helium do you need to add to make it bigger?

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

A: Given data: Plant volume of pollutant Macon 34.2 L Fall River 42.4 L Pitt 0.12 L We have…

Q: A student wanted to fill a small balloon with 1.00 L of H₂(g) at SATP. The hydrogen gas is produced…

A: we have to calculate mass of aluminum to produce 1.00L hydrogen

Q: A sample of nitrogen gas, N2, travels 17.0 cm in 4.5 minutes. How long in minutes would it take…

A: The objective of this question is to find out how long it would take for chlorine gas to travel the…

Q: Joey adjusts the pressure exerted on a balloon from 30.6 psi to 76.6 psi. As he does so, the volume…

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Q: Measurement and Matter Adding or subtracting and multiplying or dividing measurements 0/3 Bishop ▼ A…

A: During addition and subtraction, we count number of decimal places present.Our final answer should…

Q: Suppose a chemical company produces 3.91 X 103 kg of benzene.  The benzene is put into 14.5 L…

A: Given: Mass of benzene produced = 3.91 X 103 Kg = 3.91 X 106 g.                          (Since 1 Kg…

Q: A sample of carbon monoxide initially at 25.0 °C was heated to 50.0 °C. If the volume of the carbon…

A: Charles law says that at constant pressure, volume is directly proportional to the temperature. We…

Q: For the chemical reaction 2C4H10(g) + 1302(g) → 8CO2(g) + 10H₂O(l) assume that 13.4 g of C4H10…

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Q: You take 3.40 hours to complete a full marathon, a total distance of 26.0 miles. What is your…

A: The ratio of total distance covered in a journey to the total time taken is termed as the average…

Q: A chemist adds 155.0 mL of a 0.22M barium chloride (BaCl₂) solution to a reaction flask. Calculate…

A: Given, Concentration of barium chloride (BaCl2) solution = 0.22 M = 0.22 mol/L Volume of barium…

Q: Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous…

A: Given  mass of HBr     = 36 gram  mass of NaOH = 10.9 gram  mass of water   = ?

Q: An arctic weather balloon is filled with 30.3 L of helium gas inside a prep shed. The temperature…

A: Charles's law:According to the Charles law the volume of the gas is directly proportional to the…

Q: A chemist adds 1.10L of a 1.1mol/L calcium bromide CaBr2 solution to a reaction flask. Calculate…

A:

Q: alculate the volume in liters of a 0.018 mmol/L potassium permanganate solution that contains 150. g…

A: Molarity - molarity of solution is defined as number of moles of solute present in 1 liter of…

Q: convert 7.0 L to fl oz O 240 fl oZ 236.70 fl oz 7.40 fl oz

A: According to the question, we need to convert the volume (in liter unit) to Volume (fl oz) The…

Q: A chemist adds 1.20 L of a 0.67M aluminum sulfate (AL solution to a reaction flask. Calculate the…

A: Molarity (M) :  Number of moles of solute (nB) present in 1 litre of solution is called molarity…

Q: A cylinder with a movable piston contains 2.00 gg of helium, HeHe, at room temperature. More helium…

A: mass of He = 2.00 g  atomic mass of He = 4.00 g/mol  mole of He = n1 = 2.00 g /4.00 g/mol = 0.5 mol…

Q: A gas has a temperature of 17 degrees Celsius and a volume of 25.11 liters. If the temperature is…

A: Please See the image provided that contains solution

Q: Please answer the question. If a flexible container at standard temperature and pressure (STP)…

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Q: B is a weak base with Kp = (4.11x10^-9). What is the percent ionization of a (7.060x10^-1) M…

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Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: If you have 23 g of Lithium oxide, what is the volume of Oxygen that is produced?

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Q: Macmillan Learning Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of…

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Q: A sample of O2 gas has 7.5x10^24 molecules. How many miles of O2 are contained in it? How much does…

A: 1 mole of O2 gas contains Avogadro’s number of molecules.

Q: An arctic weather balloon is filled with  39.7L  of helium gas inside a prep shed. The temperature…

A:

Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Mass of hydrobromic acid (HBr) = 0.81 gMass of sodium hydroxide (NaOH) = 0.124 gMaximum mass of…

Q: you are filling up a helium ballon for a birthday party. the balloon already had 0.38 moles of…

A:

Q: 1.Convert (7.1x10^24) molecules of magnesium's bromide, MgBr2 to grams of magnesium bromide in…

A: Conversion is done on the basis of following relationship- Grams of compound = moles × molar mass of…

Q: The distance from Santa Cruz to Santa Barbara is about 280 miles.  If a car gets 23.6 miles per…

A:

Q: Assume the density of air at room temperature is 1.2 g/mL. a student is holding two balloons filled…

A: Density of Air=1.2 g/L Hydrogen gas balloon density=0.082 g/L CO2 gas balloon density=1.9 g/L…

Q: Aqueous ammonium sulfate, an important fertilizer, can be prepared by reacting ammonia gas (nitrogen…

A:

Q: Carbon tetrachloride, CCl4, was a popular dry-cleaning agent until it was shown to be carcinogenic.…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of one mole of molecules of a substance is known…

Q: A mixture of methane (CH₄) and butane (C₄H₁₀) at one atmosphere pressure and 25°C has a density of…

A:

Q: If you purchase 1 bottle of 120 tablets of 650. mg sodium bicarbonate in the pharmacy aisle  (the…

A:

Q: Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous…

A: Reactions yield are estimated by the known values of limiting reagent. It is the compound that…

Q: A sample of nitrogen gas, N2, travels 17.0 cm in 4.5 minutes. How long in minutes would it take…

A:

Q: 4. Let's say that the full volume of your flask is 325 ml. You heat the flask of air in a hot water…

A: Given: Full Volume of flask (initial volume of gas) (V1) = 325 L Initial temperature (T1) = 89.0 oC…

Q: 3. A neon sign is constructed of a cylindrical glass tube with an inner diameter of 12.5 mm and a…

A: Answer:Here:

Q: A chemist adds 35.0 mL of a 0.0071 mol/L calcium sulfate (CaSO4) solution to a reaction flask.…

A: Answer:Number of moles of solute dissolved in any solution is always equal to the product of molar…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.