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Sveta_85 [38]
3 years ago
5

Write an investigative question

Chemistry
1 answer:
pshichka [43]3 years ago
6 0

Answer:

What happened?

What was the date, time and duration of the incident or behavior?

How many times did this happen?

Where did it happen?

How did it happen?

Did anyone else see it happen? Who? What did they say? What did they do?

Was there physical contact? Describe it. Demonstrate it.

What did you do in response to the incident or behavior?

What did you say in response to the incident or behavior?

How did the subject of the allegation react to your response?

Did you report this to anyone in management? To whom? When? What they say and/or do?

Did you tell anyone about the incident or behavior? Who? What did they say and/or do?

Do you know whether the subject of the allegation has been involved in any other incidents?

Do you know why the incident or behavior occurred?

Do you know anyone else who can shed light on this incident?

Is there anything else you want to tell me that I haven’t asked you?

Explanation:

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Compare and contrast the uses of iron triad and the use of coinage metals
Arlecino [84]
<span>Answer: Iron triad are used in the process to create steel and other metal mixtures. Coinage Metals are used for much more than just coins, and many other elements besides these are made into coins.</span>
7 0
3 years ago
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25 pts<br> 3. Compare and contrast a dry cell with a voltaic cell by filling in the table.
Orlov [11]

Answer:

Half Cell  (1)oxidation reaction (2) redox reaction

Anode----(1)and(2) electrochemical cell at which oxidation occurs

Cathode---(1)and(2)electrochemical cell at which reduction

Electrolytes----(1)ammonium chloride------

Oxidation Reaction --- (1)in Anode(2)in Anode

Reduction Reaction----(1)in Cathode(2)in cathode

Bridge---(1)Zinc–carbon battery(2) Galvanic cell

Relative size   ------ (1)smaller--------(2)much larger

Explanation:

6 0
2 years ago
What is the momentum of a 37-kg person riding south on an 18-kg bicycle at 1.2 m/s?
guajiro [1.7K]
P = m*v

p = momentum
m = mass
v = velocity

p = (37 kg + 18 kg)*(1.2 m/s)

p = (55 kg)*(1.2 m/s)

p = 66 kg-m / s

5 0
3 years ago
Given the incomplete equation 4Al + 3O2 → 2X, what compound is X?
Sever21 [200]
<h3><u>Answer</u>;</h3>

B) Al2O3

<h3><u>Explanation;</u></h3>

Aluminium reacts with oxygen to form aluminium oxide.

The chemical reaction for the reaction between Aluminium and Oxygen is;

4Al+ 3O₂→ 2Al₂O₃

Therefore;

Compound X is Aluminium oxide (Al₂O₃)

8 0
3 years ago
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When hydrogen sulfide reacts with oxygen, water and sulfur dioxide are produced. The balanced equation for this reaction is:
VMariaS [17]

Answer:

2H2S + 3O2 → 2SO2 + 2H2O

Explanation:

Step 1: Data given

Hydrogen sulfide = H2S

Oxygen = O2

sulfur dioxide = SO2

water = H2O

Step 2: The unbalanced equation

H2S + O2 → SO2 + H2O

Step 3: Balancing the equation

H2S + O2 → SO2 + H2O

On the left side we have 2x O (in O2) and on the right side we have 3x O (2x in SO2 and 1x in H2O). To balance the amount of O, we have to multiply O2 (on the left side) by 3 and SO2 and H2O on the right side by 3.

H2S + 3O2 → 2SO2 + 2H2O

On the right side we have 4x H and on the left side we have 2x H. To balance the amount of H, we have to multiply H2S by 2.

Now the equation is balanced.

2H2S + 3O2 → 2SO2 + 2H2O

7 0
3 years ago
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