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If the original water sample had been contaminated with zinc (rather than barium) nitrate,what modifications would you make to the procedure followed in this laboratory experiment in order to remove the zinc ions ?

What is the procedure to be followed when an accident involving corrosive reagents occurs in the laboratory?

A piece of aluminum foil has a mass of 0.450g and measures 10.10 cm X 10.75cm. What is the thickness of the foil, given the density of the aluminum is 2.70g/cm3?

Aluminum has a density of 2.70 g/cm³. A piece of foil measures 10.4cm by 5.75cm and weighs 0.268 g. What is the thickness of the foil?

write a 1,500 word essay using the following prompt:

How has the understanding of the purpose of government changed from the Founding to today? What implications has this change had for American politics and government?

The foundation of the Constitution is grounded in the purpose of government as expressed in the Declaration of Independence. Key to that purpose of government is a particular conception of ‘rights’. However, the American understanding of ‘rights’ has, to a large degree, transformed over time, and this has had an enormous impact on American politics and government, both in form and in function. Illustrate both how the understanding of the purpose of government has transformed and how American politics and government has changed as a result thereof. Be sure to focus on constitutional principles.

Things to consider incorporating: natural rights v. government-given rights, Bill of Rights v. Second Bill of Rights, limited government v. active and robust government, constitutional republic v. democracy, separation of powers, checks and balances, federalism, majority/minority, consent of the governed, representation, relationship between citizen and government, relationship between citizens, etc.

The density of aluminum is 2.70 g/cm3. A piece of foil that is 10.00 cm on each side has a mass of 440. mg. How thick is the piece of foil?

A piece of aluminum foil 1.00 cm square and 0.560 mm thick is allowed to react with bromine to form aluminum bromide.

A) How many moles of aluminum were used? (The density of aluminum is 2.699 g/cm3 .)

B) How many grams of aluminum bromide form, assuming that the aluminum reacts completely?

Create your own business name that is available and untaken. In at least 5 sentences describe how and why you came up with this name and its meaning as well as how the name ties into the service or product that you are selling. Also was it easy to find a name or did you find it more difficult?

How many moles of Aluminum nitrate are needed to produce 100.0g of Aluminum bromide?

Define Flexibility and identify Benefits of Good Flexibility, and describe Different Types of Flexibility Exercises.

Explain the difference between a Warm-Up and a Flexibility Workout

Please define the following Key Terms. 3

1 Non-verbal Communication

2 Nondefensive listening

3 hedgeword

4 Disclaimer

5 Tag question

6 overgenralization

7 Self-disclosure

8 Computer-mediated communication( CMC)

9 Emotions

10 overkill

11 Emojis

12 Active listening

13 Genderlect

14 Question statement

15 Name calling

Explain how and when to use text messages effectively in a business environment

What is bussniess text messaging