Hi i need help with this questions Heterogeneous & Homageneous Mixtures NotesMixture Basicsor more substances thatplace but areA mixture is made up ofarein thenot chemically combined.> Each substance In akeeps its individualproperties.> The parts of a mixture arecombined in a setMixturesbe separated physically.Heterogeneous Mibtures> The prefix "hetero" meansand>In a heterogeneous mixture, you can,the differentparts.> Examples of heterogeneous mixtures:Homogeneous MixturesThe prefix "homo" means- In a homogeneous mixture, youdifferent parts.andsee the- Examples of homogeneous mixtures:

Mixture : A mixture is a substance in which two or more substances mix with each other without any…

Answered: or more substances that place but are…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 14CR

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To identify a liquid substance, a student determined itsdensity. Using a graduated cylinder, she measured out a 45-mLsample of the substance. She then measured the mass of thesample, finding that it weighed 38.5 g. She knew that the substancehad to be either isopropyl alcohol 1density 0.785 g>mL2or toluene 1density 0.866 g>mL2. What are the calculated densityand the probable identity of the substance?
In a river with a constant flow rate, the factory releases wastewater containing NaCl at a concentration of 200 mmol / L to the river at 20.0 L / s. The Na+ and Cl- concentrations at the downstream observation point were 1.00 mmol / L and 0.800 mmol / L, respectively. What is the river flow Q and Cl- concentration before the inflow of drainage? The river originally contains 0.500 mmol / L of Na+.
Please answer g please In the table below, use your most important scientific instrument (your calculator) to fill in the little boxesthat are highlighted:2. Data TableIdentity of Dehydrated salt (for afterwards) ________________________________ Mass of empty dish 70.874g Mass of dish + hydrated salt 71.346g Mass of hydrated salt Mass of dish + dehydrated salt XXXXXXX a) first heating 71.194g b) second heating 71.174g Mass of dehydrated salt Mass of water lost Wt. % of water in hydrated salt Moles of dehydrated salt Moles of water driven off Empirical formula of hydrated salt a. Show the calculation for obtaining the mass of your hydrated salt used.b. Show the calculation for obtaining the mass of your dehydrated salt after the second heating.c. Show the calculation for obtaining the mass of water that was driven off (based on secondheating).d. Show the calculation for obtaining the weight percent of water that was in your hydrated…
rank the following compunds based on the property (1 being the lowest
In the table below, use your most important scientific instrument (your calculator) to fill in the little boxesthat are highlighted:2. Data TableIdentity of Dehydrated salt (for afterwards) ________________________________ Mass of empty dish 70.874g Mass of dish + hydrated salt 71.346g Mass of hydrated salt Mass of dish + dehydrated salt XXXXXXX a) first heating 71.194g b) second heating 71.174g Mass of dehydrated salt Mass of water lost Wt. % of water in hydrated salt Moles of dehydrated salt Moles of water driven off Empirical formula of hydrated salt a. Show the calculation for obtaining the mass of your hydrated salt used.b. Show the calculation for obtaining the mass of your dehydrated salt after the second heating.c. Show the calculation for obtaining the mass of water that was driven off (based on secondheating).d. Show the calculation for obtaining the weight percent of water that was in your hydrated salt.e. Show the…
One gallon of gasoline burned in an automobile’s engine produces on the average 9.5 kg of carbon dioxide, which is a greenhouse gas, that is, it promotesthe warming of Earth’s atmosphere. Calculate theannual production of carbon dioxide in kilograms ifthere are 40 million cars in the United States, andeach car covers a distance of 5000 mi at a consumption rate of 20 mi per gallon.
Using examples, explain the difference between a physicalproperty and a chemical property.
Is this correct or does the true value need the same sig figs as the estimated value?
Anwer and explain it properly
A+BC<>AB+C What will most likely be in thecontainer after several minutes havepassed ?A. Container will have only AB & CB. Container will have only A & BCC. Container will have a mixture of all
what state of matter is CH3CO2-? It's an ion, do ions have a physical state?
My final answer for this problem was $57,272, but my question is how do I make sure I obtain the correct # of sig figs for my final answer for this problem. [Usually for every problem we use the given numbers to get the # least of sig figs. How would it apply in this problem?

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