In a Dumus Method Chemistry Lab，why would you need to fill up the Erlenmeyer flask with water, and later measure the volume of water that filled the Erlenmeyer flask with a graduated cylinder? （also check if my other answers are correct）

Q: Calibration of the Picnometer, mass of empty picnometer is 30.708g, mass of picnometer + water is…

A: Mass  of empty picnometer is   30.708 gm Mass of picnometer + water is 61.018 gm Mass of water =?

Q: Use this information to convert the following into the notation that OWLN2 requires Express 31240…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Convert 11,278 mm into units of m. Do not include units in your answer, just the number

A: One meter is equivalent to 1000 millimeters.

Q: For many purposes we can treat nitrogen (N,) as an ideal gas at temperatures above its boiling point…

A: The pressure ,temperature and volume of a substance are inter related to each other

Q: The ? stands for a number the student is going to calculate.)   Fill in the missing part of this…

A: The ratio which represents the relationship between two different units is known as a conversion…

Q: Question 1: How many atoms of Zinc are in 0.60 mol of zinc?

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: se solve for questions 1-8 using th

A: Answer 1: Mass of potassium bicarbonate is obtained by subtracting the mass of evaporating dish from…

Q: Please answer question number 2  correctly with the correct answer. there is a picture of an example…

A: we have given that  moles of  oxygen (O2) gas =  1 mole   the molar mass of 02 gas =  32 gram/mole…

Q: Please

A: Molar mass of compound can be calculated by multiplying index to the atomic mass of element and add…

Q: The concentrations of K* in water were measured with atomic absorption spectroscopy (AAS) and atomic…

A: The t-value, or t-score, is a ratio of the difference between the mean of the two sample sets and…

Q: Convert 3.0 m to in. Enter your answer in scientific notation. Be sure to answer all parts.

A: Given, 3.0 m

Q: Make a graph of the average mass vs. year. Make sure axes are labeled.

A: For the given data, we have to plot the graph of average mass vs year.

Q: What is the molar mass of alanine, C3H7NO2? • Write your answer using ONE decimal place, even if…

A: Given, Molar mass of Alanine, C3H7NO2 = ? Note:  Atomic mass of C = 12.01 g/mol Atomic mass of H =…

Q: 6. When comparing the density of the regular objects obtained from the measurements method and the…

A: Density:Density is the measure of how much matter occupies a given amount of space. It is quantified…

Q: Calculate the mass of iron(III) oxide (Fe, O,) that contains a trillion (1.000 x 102) oxygen atoms.…

A: Molar mass of iron(III) oxide: 159.69 g/mol Avogadro's constant: 6.022 × 1023 Given, Oxygen atoms -…

Q: 2.A student is trying to determine the volume of a flask and compare it to the known volume. After…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.