Homework Answers
Add Answer to:
Please, by using the first page data, answer the second page
questions.. Thank you
Mass of...
can you show all the steps can you calculate mole of water ,mass of chlorine in sample, moles of chlorine, mole ra...
can you show all the steps
can
you calculate mole of water ,mass of chlorine in sample, moles of
chlorine, mole ration ,chlorine : copper in sample , formaula of
degydrated sample and formula of hudrated sample using the data
from page 1
26 Experiment 4 Determination of a Chemical Formula Moles of water moles Mass of chlorine in sample (by difference) Moles of chlorine moles Mole ratio, chlorine:copper in sample :1 Mole ratio, water.copper in hydrated sample :1 Formula...
Whation of a Chemical Formula Mass of crucible and Vid xan Section you Mass of crucible,...
Whation of a Chemical Formula Mass of crucible and Vid xan Section you Mass of crucible, lid and hydrated sample mula 21.003.8 Mass of crucible, lid and dehydrated sample Jo.0048 Mass of watch glass and filter paper 29.79 1.8 Mass of watch glass, filter paper and copper 37.2718 37.638.8 Calculations (show all work) Mass of hydrated sample 30.004-29.003 - Mass of dehydrated sample 29.791- 29.003 = .788 g Mass of copper 37.638 - 37.871 = +3678 Number of moles of...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and the mass of water (Items 5 and 6 from the Data Form). Express your answers in grams to the nearest hundredth (+ 0.01 g). Show your work. 3. Calculate the moles of copper (II) sulfate present from the mass of the copper (II) sulfate. Express your answer in moles as three significant digits. Show your work. 4. Calculate the moles of water driven off...
I really need help understanding the second question? 2.) calculate the percent mass in your hydrate....
I really need help understanding the second question?
2.) calculate the percent mass in your hydrate. If the
copper(ii) sulfate hydrate should contain 36.08% by mass of water,
what is the % error of your experimental result?
4. Decant about 1/4 of the solution into another clean test tube. In the fume hood, carefully add I drop of concentrated ammonium hydroxide (aqueous ammonia) into the test tube and gently swirl. KEEP YOUR NOSE AWAY FROM THE AQUEOUS AMMONIA FUMES! Record...
Based on the data, please answer question 3 (a,b, and c). thank you! CHEM 2115 Limiting...
Based on the data, please answer question 3 (a,b, and c).
thank you!
CHEM 2115 Limiting Reagent Lab Report #6 Chem I Lab Name Mikhayla D'Anne Section# Station# A5 Date 1%4/19 Overall equation: CaCl (aq) + K:C:04H:0 (aq) = CaC,O4+H20 (8) +2 KCI (aq) Net lonic Equation: Ca"? (aq) + CO. (aq) + H20 (1 = CaC20. H:0 (5) 1. Data & Calculations : CaCl K2C2O4+H2O Concentration of solution 0.75 mol/L Volume of solution 15 ml Moles of CaCl2 used...
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the ...
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the world to come up witha your data for the number of Coulombs of charge passed and the number of moles of value of Faraday's constant -never mind we al ready know it is 96485 C/mol e. Using copper actually lost from the copper electrode in your experiment, what would you predict for the value of Faradays constant? Show your work. What is the percent...
Please do the following questions! thank you! Experiment 12: Generating Hydrogen Gas Part B: Molar mass...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
Experiment 4: Identification of a Compound by Mass Relationships Section Name Experiment 5 Data and Calculations:...
Experiment 4: Identification of a Compound by Mass Relationships Section Name Experiment 5 Data and Calculations: Identification of a Compound by Mass Relationships c 12.00 016.0p a 39.49 lo HO Atomic masses: Na 22.0 K NaCl S NaCO, lo gmol Molar masses: NaHCO,4. gmol g/mol KCI 5 g/mol KCO, .2g/mol KHCO,a 2 p/mol 64.3178 Mass of crucible and cover plus unknown. 63 816 Mass of crucible and cover a.Sel Mass of unknown 64.296 Mass of crucible, cover, and unknown after...
Please provide correct work & answers to the following, thank you!! .A student observed that when heated his...
Please provide correct work & answers to the following, thank
you!!
.A student observed that when heated his sample produced condensation on the upper walls of his test tube and changed color. When the sample was added to water it produce a solution with a color very similar to that of the original salt. Explain these observations 2. A student gets a measurement of 30.112 grams when he weighs a dry empty crucible and cover. He then adds an unknown...
UNKNOWN NUMBER Data Trial 1 Trial 2 Mass of the crucible and cover 28.2569 Mass of...
UNKNOWN NUMBER Data Trial 1 Trial 2 Mass of the crucible and cover 28.2569 Mass of crucible, cover and sample 28.9369 2806309 30.7449 30.330g 30.328 Mass of crucible, cover and salt after first heating 29.7969 Mass of crucible, cover and salt after second heating 28.7979 Mass of crucible, cover and salt after third heating Calculations Chemical formula of anhydrous salt (given) Mass of hydrate (sample) Mass of anhydrous salt Mass of water liberated Percentage H20 in the hydrate Percentage anhydrous...
can you show all the steps
can
you calculate mole of water ,mass of chlorine in sample, moles of
chlorine, mole ration ,chlorine : copper in sample , formaula of
degydrated sample and formula of hudrated sample using the data
from page 1
26 Experiment 4 Determination of a Chemical Formula Moles of water moles Mass of chlorine in sample (by difference) Moles of chlorine moles Mole ratio, chlorine:copper in sample :1 Mole ratio, water.copper in hydrated sample :1 Formula...
Whation of a Chemical Formula Mass of crucible and Vid xan Section you Mass of crucible, lid and hydrated sample mula 21.003.8 Mass of crucible, lid and dehydrated sample Jo.0048 Mass of watch glass and filter paper 29.79 1.8 Mass of watch glass, filter paper and copper 37.2718 37.638.8 Calculations (show all work) Mass of hydrated sample 30.004-29.003 - Mass of dehydrated sample 29.791- 29.003 = .788 g Mass of copper 37.638 - 37.871 = +3678 Number of moles of...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and the mass of water (Items 5 and 6 from the Data Form). Express your answers in grams to the nearest hundredth (+ 0.01 g). Show your work. 3. Calculate the moles of copper (II) sulfate present from the mass of the copper (II) sulfate. Express your answer in moles as three significant digits. Show your work. 4. Calculate the moles of water driven off...
I really need help understanding the second question?
2.) calculate the percent mass in your hydrate. If the
copper(ii) sulfate hydrate should contain 36.08% by mass of water,
what is the % error of your experimental result?
4. Decant about 1/4 of the solution into another clean test tube. In the fume hood, carefully add I drop of concentrated ammonium hydroxide (aqueous ammonia) into the test tube and gently swirl. KEEP YOUR NOSE AWAY FROM THE AQUEOUS AMMONIA FUMES! Record...
Based on the data, please answer question 3 (a,b, and c).
thank you!
CHEM 2115 Limiting Reagent Lab Report #6 Chem I Lab Name Mikhayla D'Anne Section# Station# A5 Date 1%4/19 Overall equation: CaCl (aq) + K:C:04H:0 (aq) = CaC,O4+H20 (8) +2 KCI (aq) Net lonic Equation: Ca"? (aq) + CO. (aq) + H20 (1 = CaC20. H:0 (5) 1. Data & Calculations : CaCl K2C2O4+H2O Concentration of solution 0.75 mol/L Volume of solution 15 ml Moles of CaCl2 used...
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the world to come up witha your data for the number of Coulombs of charge passed and the number of moles of value of Faraday's constant -never mind we al ready know it is 96485 C/mol e. Using copper actually lost from the copper electrode in your experiment, what would you predict for the value of Faradays constant? Show your work. What is the percent...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
Experiment 4: Identification of a Compound by Mass Relationships Section Name Experiment 5 Data and Calculations: Identification of a Compound by Mass Relationships c 12.00 016.0p a 39.49 lo HO Atomic masses: Na 22.0 K NaCl S NaCO, lo gmol Molar masses: NaHCO,4. gmol g/mol KCI 5 g/mol KCO, .2g/mol KHCO,a 2 p/mol 64.3178 Mass of crucible and cover plus unknown. 63 816 Mass of crucible and cover a.Sel Mass of unknown 64.296 Mass of crucible, cover, and unknown after...
Please provide correct work & answers to the following, thank
you!!
.A student observed that when heated his sample produced condensation on the upper walls of his test tube and changed color. When the sample was added to water it produce a solution with a color very similar to that of the original salt. Explain these observations 2. A student gets a measurement of 30.112 grams when he weighs a dry empty crucible and cover. He then adds an unknown...
UNKNOWN NUMBER Data Trial 1 Trial 2 Mass of the crucible and cover 28.2569 Mass of crucible, cover and sample 28.9369 2806309 30.7449 30.330g 30.328 Mass of crucible, cover and salt after first heating 29.7969 Mass of crucible, cover and salt after second heating 28.7979 Mass of crucible, cover and salt after third heating Calculations Chemical formula of anhydrous salt (given) Mass of hydrate (sample) Mass of anhydrous salt Mass of water liberated Percentage H20 in the hydrate Percentage anhydrous...
Most questions answered within 3 hours.
-
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 2 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 2 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 2 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 3 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 4 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 5 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 5 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 5 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 5 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 6 hours ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 6 hours ago -
Consider the following reaction: C 2H 2( g) + 2H 2( g) C 2H 6(
g)...
asked 6 hours ago