What is the best way to measure the density of 5 grams of sugar (in a chem lab)?

Q: Convert 10 ug/m^3 (micrograms over meters cubed) of sulfate to umoles/m^3 (micromoles to meters…

A: Moles (mol) is the unit of measurement for the amount of a substance. It is used to express the…

Q: The average mass of a female adult brain is 1.198 kg. Convert this mass to cg.

A: Introduction :  We have to convert kg to cg.

Q: 2. Saffron is cultivated from the styles and stigmas of the crocus sativus flower. It is the most…

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Q: Question 5 Convert 4.35 uft (microfeet) to nin (nanoinches). Give your answer in scientific notation…

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Q: A human hair is 75 um across. How many inches is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( )…

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Q: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

A: The equation is as follows: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

Q: What is the relationship between the solubility product constant and the molar solubility for the…

A: We have to find out the relationship between the solubility product and solubility in the given…

Q: A chemist dissolves 290. mg of pure potassium hydroxide in enough water to make up 70. mL of…

A: We have to find the pH of solution

Q: (2.08 x 105)(7.0 x 10-5) =

A: In this question, the multiplication result of the two numbers has to be determined. Let first…

Q: Chlorine OR Bromine OR Neither

A: Mass spectroscopy is an analytical technique used to measure mass to charge ratio of molecules…

Q: 2.The mass of 15.0 mL of a particular liquid was measured to be T1=7.47g,T2=7.45g and T3=7.53g.Find…

A: Given data, Volume (V) = 15.0mL True value = 7.5 g/mL Masses of particular liquid; T1 = 7.47 g , T2…

Q: A urine sample has a density of 1.030g/ml. What is the specific gravity of the sample?

A: Given that, Density of sample= 1.030 g ml-1 Specific gravity ?

Q: 4- The ideal size for a burette used in acid- base titration in which easy cleaning, maintain and…

A: We know that   Burette : a graduated glass tube with a tap at one end for delivering known volumes…

Q: If a 185-lb patient is prescribed 145 mg of the cholesterol owering drug Tricor daily, what dosage…

A: We will calculate the dosage that patient received in mg/ kg body weight.

Q: Convert 8.9 g/mL to its equivalent in kg/m^3. Round the answer to the nearest unit.

A: Using unit conversion method we can convert 8.9 g/mL to kg/m3 unit.

Q: A student determines the density of a metal to be 8.55g/cm3. If the theoretical value is 8.91g/cm3,…

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Q: 1-Two Students A and B performed four analyses on a sample for its calcium content and got the…

A: Accuracy is a measure of the difference between the experimental value or mean value of a set of…

Q: Convert 554 mK/smK/s into μK/msμK/ms

A: conversion of the units : 1 mK=103 μK1 s =103 ms given value which is to be converted is : 554 mK/s

Q: calculate the equilibrium concentration of FeSCN2+

A: Equilibrium is the state of the reactions in which the reactant converts product and product convert…

Q: 2. Calculate the [ H*] of each of the following given the pH and pOH c) pOH = 2.5 d) pOH = 3.4

A: The pH of a solution depends upon the concentration of H+ ions present in it. It is calculated by…

Q: After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40 and…

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Q: 4. Convert 0.0102 lb/in³ (pounds per cubic inch) to mg/mL using dimensional analysis.

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Density Lab (Need help plotting this graph) How to plot this graph from the data sheet (see picture…

A: Density is given by,                Density = Mass/volumeFrom the given table, they will ask to find…

Q: 1) Perform the following conversions. 399 g to mg 370 oz to L 125.0 in to m 2.36 mL to L 3401.00 g…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: 3.41 × 10-1 - 5.7 × 10-3)*[(6.8 × 10-2)/(1.82 × 10-3)]

A: The question is based on the concept of physical chemistry. we have to calculate the given fraction…

Q: each Geive a currect same for each of the following compounds A) CH₁ CH₂-C-CH₂ CH CH CH B) -0 CH

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Q: The number of hectograms (hg) in 3.95 x 104 cg is

A: Given: The mass of a substance is given = 3.95 x 104 cg where cg stands for 'centigram'

Q: A chemist dissolves 689. mg of pure perchloric acid in enough water to make up 270. mL of solution.…

A: 1. moles of HClO4 (n) :      n = W/GMW              where                       W = mass of…

Q: A class of chemistry students measured the density of an unknown liquid. If the correct density of…

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Q: Pics 1 Word: Make a scientific guess of the word/s that can represent the pictures presented in each…

A: These pictures  are related to the current situation of the pandemic that is COVID 19 . These are…

Q: A calibrated flask has a mass of 0.02 kg when empty, 0.095 kg when filled with water, and 0.058 kg…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: Using the following mass standard data, calculate the Rx value. mass of mass of area of area of…

A: Answer - Rx value - It is defined as the ratio of the distance travelled by the compound at its…

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.