Copy of Experiment 8B_ Stoichiometry Online Lab

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duction to MasteringChemistry - Attempt 1 duction to Vocabulary Questions Reset Help maple 1. Hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as pine cedar elm and pine mango 2. Conifer leaves are generally thin and needle-like, while seeds are contained in cones. Conifers cedar include pine and elm elm 3. Deciduous trees lose their leaves seasonally and include trees such as mango and maple 4. Evergreens are plants that maintain their leaves in all seasons and include trees such as elm pine and cedar Submit Previous Answers Request Answer Introduction to Ma. fa トト」 トI fo fo ins prt sc 8% 8 9 10

Student question Time Left 01:59:50 Tag the A bond trader purchased each of the following bonds at a yield to maturity of 8%. Immediately after she purchased the bonds, interest rates fell to 5%. The data has been collected in the Microsoft Excel Online file below. Open the spreadsheet and perform the required analysis to answer the questions below. Open spreadsheet What is the percentage change in the price of each bond after the decline in interest rates? Assume annual coupons and annual compounding. Fill in the following table. Do not round intermediate calculations. Round your answers to two decimal places. Subject Finance Sub-subj Sear

Posttest Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation c. precipitation b. condensation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a liquid. Which of the…

Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

FINAL Experiment 1- January 2021_-789644623 - Saved Layout Review View Table A friend of yours went panning for gold last weekend and found a nugget that appears to be gold. With your newfound scientific prowess, you set out to determine if it is really gold. Your tests show that the nugget has a mass of 7.6 g. Immersing the nugget in water raised the volume from 7.22 mL to 8.06 mL. The density of gold is 19.32 g/cm3. What will you tell your friend? acer

help  please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working!

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1. A candle is placed on one pan of a balance, and an equal weight is placed on the other pan. What would happen if you lit up the candle and waited for a while?. 2. Suppose the candle was placed in a large, sealed jar that allowed it to burn for several minutes before running out of oxygen. The candle and jar are balanced by an equal weight. In this situation, what would happen if you lit up the candle and waited? Gizmo Warm-up Burning is an example of a chemical reaction. The law of conservation of matter states that no atoms are created or destroyed in a chemical reaction. Therefore, a balanced chemical equation will show the same number of each type of atom on each side of the equation. To set up an equation in the Chemical Equations Gizmo, type the chemical formulas into the text boxes of the Gizmo. First, type in "H2+02" in the Reactants box and "H20" in the Products box. This represents the reaction of hydrogen and oxygen gas to form water. Reactants H2+O2 2. Based on what you…

You work in a research organization that is looking for markers of various diseases that can be used as a diagnostic for the disease. It has been reported in the past that high levels of Cu are found in the sweat of people with cystic fibrosis. One of the research projects is focused on looking for high levels of Cu in samples that can be obtained non-invasively such as saliva, sweat, hair, nails, etc. The lab will analyze large samples for Cu. What instrument would you recommend purchasing to support this work, Atomic absorption spectrophotometer or an inductively coupled plasma atomic spectrophotometer? Explain the basis for your decision.

education.wiley.com + 00 D2L Topic 4 (Chapter 3 and 12) Online Home... W NWP Assessment Builder UI Application W NWP Assessment Player UI Application C Question 17 Of 50 -/1 = View Policies Cur... b Similar Questions | bartleby E Topic 3 (Chapter 3 and 12) Online Homework Assignment Question 15 of 50 0/1 E View Policies Show Attempt History Current Attempt in Progress Incorrect. Write a balanced equation for the formation reaction of each of the following substances: (a) K3PO4(s) (b) acetic acid, CH3CO2H(I) (c) trimethylamine, (CH3)3N(g) (d) bauxite, Al203(s) eTextbook and Media Save for Later Attempts: 1 of 3 used Submit Answer

Home Tools Lab Experiment #... x ... +) 玩, 1 | 2 97.4% Record your observations following each reaction including changes in color and state of matter. AGNO3 (Ag*) Pb(NO3)2 (Pb²*) Ca(NO3)2 (Ca²+) а e i NazCO3 Light orange solid white, cloudy solid white, cloudy, solid (СО2) b NaOH f dark brown solid stay clear, liquid white, cloudy solid (OH) g k NazSO4 stay clear, liquid white, cloudy, solid white, cloudy, solid (SO?) d NaCl 1 white, cloudy solid white, cloudy solid stay clear, liquid (CF) .... Remember to complete and submit this table to your instructor before the end of the class session.

Use the information below to answer questions 1- 3. PCI,(g) 2 PCI;(g) + Cl2(8) PCI,(g) decomposes into PCI,(g) and Cl,(8) according to the equation above. A pure sample of PCI,(g) is placed in a rigid, evacuated 1.00 L container. The initial pressure of the PCI5(g) is 1.00 atm. The temperature is held constant until the PCI,(g) reaches equilibrium with its decomposition products. The figures below show the initial and equilibrium conditions of the system. PCI5 Potal = 1.00 atm PCI5, PCI3, and CI, Prstal = 1.40 atm Figure 1: Initial Figure 2: Equilibrium As the reaction progresses toward equilibrium, the rate of the forward reaction (A) increases until it becomes the same as the reverse reaction rate at equilibrium (B) stays constant before and after equilibrium is reached (C) decreases to become a constant nonzero rate at equilibrium (D) decreases to become zero at equilibrium If the decomposition reaction were to go to completion, the total pressure in the container would be (A) 1.4…

earson.com/?courseld=1 ← 2 S MISSED THIS? Read Section 4.2 (Page); Watch KCV 4.2, IWE 4.2. W Write a balanced chemical equation for each reaction. म X → #3 E D C C $ 4 R F V % 5 T G B ^ ▾ 6 Part A G Search or type URL Y Aqueous hydrogen chloride reacts with oxygen gas to form chlorine gas and liquid water. Express your answer as a chemical equation. Identify all of the phases in your answer. ² ΑΣΦ H Submit Part B A chemical reaction does not occur for this question. Part C Request Answer Solid iron(III) oxide reacts with hydrogen gas to form solid iron and liquid water. Express your answer as a chemical equation. Identify all of the phases in your answer. Submit Request Answer MacBook Pro ΑΣΦ 4 A chemical reaction does not occur for this question. & 7 N Nitrogen monoxide gas reacts with hydrogen gas to form ammonia gas and water vapor. Express your answer as a chemical equation. Identify all of the phases in your answer. U J ☆ * 00 B 8 M C w ? I ? K ( 9. < O ) - O L P A I' Review I…

Write one word problem and solution.A exemplar are included - be aware that the assignment has been changed slightly this year to include a requirement for percent yield. PS: Some trouble happened in my home, so I didn't go to many classes. And my teacher never sees the email. So I don't know the key points of the assignment. Can you try to tell me what key points that the assignment wants me to do?

Pls help ASAP. Pls show all work and calculations.

I need help calculating and setting up questions 4 or 5.   thank you for your help!

Routine Chemical Tests for Urine - Word Table Tools Decy Joy Garriel Table Design O Tell me what you want to do 2 Share File Home Insert Draw Design Layout References Mailings Review View Help Layout X Cut P Find Calibri (Body) 12 A A Aa v AaBbCcD AaBbCcDc AaBbCcDc AaBbC AaBbCcC AaBbC AaBbCcD EE Copy ab. Replace Paste BIU v abe X, x A v aly - A - I Normal No Spacing I No Spac. Heading 1 Heading 2 Heading 3 Heading 4 A Select Format Painter Clipboard Font Paragraph Styles Editing COLLEGE OF HEALTH SCIENCES RESULTS AND OBSERVA TIONS: PARTI: BENEDICTS TEST FOR REDUCING SUGARS 田 TUBE PATIENT COLOR RESULT and NO. Before: Blue-green OBSERVATION WHITE PRECIPITATE: 1 Normal Patient 1 After: Greenish brown 2 Normal Patient 2 Before: Blue LIGHT GREEN After: Green PRECIPITA TE: 3 WHILTE AND YELLOW Pathologic Patient 1 Before: Blue PRECIPITATE: After: Green BRICK RED Before: Blue-green After: Brick Red Pathologic Patient 2 PRECIPITATE: Generalization: Page 5 of 8 947 words English (Philippines) K…

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Mg + 2HCl → MgCl2 + H2 This experiment was performed two times. All values are valid to one decimal place. If the decimal place is not shown, add a ".0" Experiment Mass of Mg (mg) Starting Temperature (°C) Final Temperature (°C) 1 2 19.6 20.7 19.5 20.7 33 33.5 The previous page contained data from two experimental runs for the reaction between magnesium and hydrochloric acid. Mg+ 2HC! MgCl2 + H2 First, how many moles (n) of Mg reacted with the HCI? Use the average value of the two masses from your provided data set. Answer: 0.001658 I Mg + 2HCI MgCl2 + H2 Next, what is the amount of heat absorbed by the water (qsurr) in the experiment? Use the average AT from your data to calculate a single value for q. Report your answer in J. Remember to consult the lab manual and/or the video for any values you might need. Answer: Mg + 2HC! MgCl2 + H2 Finally, calculate A,H for this reaction and report your answer in kJ/mol. Answer:

Now let's use these total masses to figure out how much CO2 was generated by the experiment. Remember, the amount of CO2 generated is the mass lost after the reaction, all of the other products are still in the cups. Calculate both the grams and moles of CO2. Sample Data for Vinegar Lab Total Mass of Total Mass of Baking Soda & Baking Soda & g CO2 Produced by moles CO2 Produced by Vinegar Cups Vinegar Cups (g, post) Reaction Reaction (g, pre) -2 g 56.94 44.26 NaHCO3 -4 g 59.59 57.55 NaHCO3 -6 g 63.37 61.07 NaHCO3 -8 g 66.68 64.58 NaHCOз -10 g 69.81 67.66 NaHCO3

CHEMICAL REACTIONS Balancing chemical equations with interfering coefficients Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. CH; (CH,) CH, (1) + 0,(g) → Co,(g) + H,0(g) 5

I have my graph made but need to do the following but do not remember how.  "Use graph paper in lab book to plot moles S2O82- consumed versus time in seconds and fit with a line of best fit.""To determine the slope of your line do not use any of the data points from your data, use 2 points on your straight line.""Units of rate are M/s so you must calculate rate from the slope of your line (mol/s)" The first picture is the graph, using the seconds and moles from the second picture.

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||| O CHEMICAL REACTIONS Balancing chemical equations with interfering coefficients Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. CH,CH, (g) + O,(g) → CO,(g) + H,O(g) X Ś

PERFORMANCE TASK 4.4 (CHEMICAL EQUATION) MELC: Apply the principles of conservation of mass to chemical reactions. (S10MT-IVe-g-23) GO REACT! DIRECTIONS: 1. Write the symbols to complete chemical equation inside the box. 2. Balance the chemical equations by writing its coefficient on the space provided beside the box. 3. Determine the type of reaction in each item. A. Chemical Reactions: 1. Magnesium combines with chlorine gas to produce magnesium chloride. Mg + Type of Reaction: 2. Sodium reacts with copper sulfate and forms sodium sulfate and copper. 2 Na + C² 99 → Na₂SO4 Type of Reaction: 3. Mercury (11) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas. HgO 2 + Type of Reaction: 4. Lead(II) nitrate and potassium iodide give lead(11) iodide and potassium nitrate. Pb(NO3)2 + Pbl₂ +2 Type of Reaction: gas and water 5. Ethane reacts with oxygen gas produces carbon dioxide C₂H6 + CO₂ +6 Type of Reaction: 6. The reaction of hydrochloric acid, with magnesium…

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