Our Services

Get 15% Discount on your First Order

[rank_math_breadcrumb]

Chemistry

Please view the attachment. 

1.

Top of Form

Question 1

10 Points

Scientific Method.

a. List the steps of the Scientific Method.

b. Create an example of a scientific study that could be done in terms of the steps of the scientific method. Be creative, and describe the study in terms of the steps of the scientific method.

Bottom of Form

2.

Top of Form

Question 2

10 Points

Complete the following table (or provide answers for each)

Definition

Example

The reason the example fits the definition

Acid

Base

Strong Electrolyte

Weak Electrolyte

Non-Electrolyte

Bottom of Form

3.

Top of Form

Question 3

10 Points

What is the mass of sodium chloride used to create a 250 mL solution at a concentration of 3.5 M? To earn credit, your solution must include a step-by-step solution with units included throughout to support your final answer.

Bottom of Form

4.

Top of Form

Question 4

10 Points

In your own words, define and compare fission and fusion (be specific). Provide a balanced, nuclear equation for each.

Bottom of Form

5.

Top of Form

Question 5

10 Points

Given the reaction between ammonia and oxygen as 4NH3 + 5O2  4NO + 6H2O:

a. Calculate the amount of nitrogen monoxide (in grams) produced if 0.8 g of ammonia is reacted.

b. Calculate the amount of nitrogen monoxide (in grams) produced if 0.8 g of oxygen is reacted.

c. In comparing (a) and (b), indicate what the limiting reactant is. Explain.

To be awarded credit, your solution must include a step-by-step solution with units included throughout to support your answers.

Bottom of Form

6.

Top of Form

Question 6

10 Points

The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 °C. The specific heat of this compound in the liquid state is 0.91 J/g-K and in the gas state is 0.67 J/g-K. The heat of vaporization is 27.5 kJ/mol. What is the amount of heat required to convert 10.6 g of the compound from a liquid at 30.0 °C to a gas at 60.5 °C? To be awarded credit, your solution must include a step-by-step solution with units included throughout.

Bottom of Form

7.

Top of Form

Question 7

10 Points

For the nitrite ion (NO2- ), identify: 

a. How many total lone pairs are in the ion? 

b. What is the VSEPR molecular shape of the ion?

c. How many resonance structures can be drawn from the ion?

Bottom of Form

8.

Top of Form

Question 8

10 Points

In using the following table, note which intermolecular attractive interactions are present for each of the following substances. For each interaction, explain why you selected it or why you did not. Be specific.

  Substance

 Dispersion

 Dipole-dipole

Hydrogen bonding

 Ion-dipole

  CO (g)

  AlCl3 (aq)

  C2H4

Bottom of Form

9.

Top of Form

Question 9

10 Points

The density of table salt is 2.16 g/cm3. Detail the conversion into units of pounds (mass) and liter (volume), and provide the density in lb/L. To be awarded credit, your solution must include a step-by-step solution with units included throughout.

Bottom of Form

10.

Top of Form

Question 10

10 Points

As a birthday balloon is filled with helium, the amount of helium increases from 7.5 moles of helium to 9.5 moles of helium. If the initial volume of the balloon is 25.5 mL, what is the final volume? Your solution must include a step-by-step solution with units included throughout.

Bottom of Form

Share This Post

Email
WhatsApp
Facebook
Twitter
LinkedIn
Pinterest
Reddit

Order a Similar Paper and get 15% Discount on your First Order

Related Questions

Fillable pdf

Read “Who Kidnapped Fluffy?!!” – the document contains information about the scenario and the chemical principles used in the virtual lab.  Download/print “Who Kidnapped Fluffy?!! – Data Collection and Analysis.”  Watch the video below, pausing as needed, and fill in the data table in the lab document, and then write

PDF fillable

9 Physical and Chemical Changes Virtual Lab DATA COLLECTION: Be as descriptive and detailed as possible and include physical state, color, opacity, etc. in your observations!!! Watch the video linked in Falcon Online Content for these observations! Chemicals Reacted Appearance of Chemicals Before Mixing Observations After Chemicals Reacted, especially what

ANSWER ALL QUESTIONS ONLY – NO EXPLANATION NEEDED

IR Correlation Table C-H Alkanes (stretch) 3000-2850 s -CH3 (bend) 1450 & 1375 m -CH2 (bend) 1465 m Alkenes (stretch) 3100-3000 m (out-of-plane) 1000-650 s Aromatics (stretch) 3150-3050 s (out-of-plane) 900-690 s Alkyne (stretch) ~3300 s Aldehyde 2900-2700 w C=C Alkene 1680-1600 m-w Aromatic 1600 & 1475 m, w C≡C

which is the best market research magazine in Usa ?

 <!–td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}–>insider market research  Insider Market Research, we are dedicated to providing you with the comprehensive insights and detailed analyses you need to leverage the power of data and marketing, ensuring your business stays ahead of the curve.

ARTICLE SUBMISSION

  Write the TITLE of the article as your post title Write the TITLE of the post AND a link in the body of your post. The link is not the title! DO NOT summarize the article! That’s for your peers to do! Explain why you picked the article by

What is Goth?

The story of Mary Shelley’s Frankenstein is similar to that of a Greek tragedy and namely the myth of the titan, Prometheus. The characters as well as the plot are all similar between the two stories. Many have argued that Frankenstein is based on the Prometheus myth. I will attempt

the rate of reaction

Explain why increasing the concentration of hydrochloric acid would affect the rate of reaction

Chemistry

see doc  The following series of reactions were carried out by Phillips and Kenyon and reported in 1923.  Starting from the same compound, two reaction sequences were carried out.  These sequences resulted in the synthesis of 3A and 3B.  However, the enantiomeric purity of 3A and 3B is not the

Discussion

See doc for details  Many medicinal drugs come from natural resources such as plants, insects, corals, etc. One typical example is the synthesis of the commonly known as Non-steroidal anti-inflammatory, acetylsalicylic acid  (aspirin) derived from  salicin the natural product isolated from the bark of the willow tree Salix alba L. In this

Chemistry

see file for details  The following series of reactions were carried out by Phillips and Kenyon and reported in 1923.  Starting from the same compound, two reaction sequences were carried out.  These sequences resulted in the synthesis of 3A and 3B.  However, the enantiomeric purity of 3A and 3B is

Chem Lab Post Lab 4

Experiment #4 MEASUREMENT We are all familiar with measurements which are expressed as the amount of one thing for each unit of something else. For example, you may shop for meat sold at a certain number of dollars per pound ($/lb), or you may compute the mileage of your automobile

HELP CHEMISTRY

Chemistry 1406 – Introductory to Chemistry I – Allied Health Objective: The purpose of this assignment is to help chemistry students use their scientific understanding and research to understand public issues that relate to chemistry. Signature Assignment: Medicinal Use of Marijuana Medicinal use of marijuana to treat conditions such as

CHEM 402 HW 4

It’s in the document CHEM 402 Chemical Information Systems Fall 2024 Homework 4 Wednesday, November 27, 2024, at 1:00 PM To be submitted by 9:00 AM via BlackBoard Get the protein sequences for human IRGM (Accession: NP_001139277.1) and the rat IRGM (Accession: NP_001012007.1). You may use the Entrez Protein Search

presentation

chapter 15.2 Draw fatty acid structures the chapters are attached 5 slides only 6points

Chemistry – Chemical Engineering Solve the assignment

Assessment Cover Sheet Due Date December 12, 2024 Course Code EN7230T Assessment Title Designing a Speed Controller for a DC Motor Course Title Instrumentation and Automatic Control Internal Moderator’s Name Dr. Saam Najat External Examiner’s Name Instructions: 1. This cover sheet must be completed (section in red below) and attached