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hjlf
3 years ago
10

Lab: Acids and Bases Assignment: Lab Report

Chemistry
2 answers:
grigory [225]3 years ago
7 0

Answer:

anyone know the section II answers for a lab like this but its the thermal energy transfer lab

Explanation:

^^

Annette [7]3 years ago
5 0

Answer:

Lab: Acids and Bases Assignment: Lab Report

  • The main point is to help the scientific method and to also see how it works.
  • Sometimes people refer to the tentative answer as "an educated guess." Keep in mind, though, that the hypothesis also has to be testable since the next step is to do an experiment to determine whether or not the hypothesis is right! A hypothesis leads to one or more predictions that can be tested by experimenting.
  • <em>></em><em>State the hypotheses</em>. Every hypothesis test requires the analyst to state a null hypothesis and an alternative hypothesis. The hypotheses are stated in such a way that they are mutually exclusive. That is, if one is true, the other must be false; and vice versa.>Formulate<em> an analysis plan.</em> The analysis plan describes how to use sample data to accept or reject the null hypothesis. It should specify the following elements<em>.</em><em>></em><em>Analyze</em><em> sample data</em><em>.</em>Using sample data, perform computations called for in the analysis plan.>Interpret<em> the results.</em> If the sample findings are unlikely, given the null hypothesis, the researcher rejects the null hypothesis. Typically, this involves comparing the P-value to the significance level, and rejecting the null hypothesis when the P-value is less than the significance level and etc.

Section II: Data and Observations

  • In a lab guide, the key results are those that support my working hypotheses or serve to reject these assumptions. Moreover, the key results may also be other discoveries that are important to understand the processes and/or mechanisms investigated in the experiment.

•?

Section III: Analysis and Discussion

  • Key Results are the measures and milestones that indicate how you know you will accomplish our Objective.
  • A linear pattern is a continuous decrease or increase in numbers over time. On a graph, this data appears as a straight line angled diagonally up or down (the angle may be steep or shallow). So the trend either can be upward or downward.
  • Yes, i was surprised and learn so much and it was no problem.

Section IV: Conclusions

  • Results will tell you which hypothesis is true.
  • describe specific part of the procedure.
  • If I were able to repeat the lab and do it differently I would try to do two different things to improve it. I would try to create the model in a simpler manner that allowed me to better see how the erosion factored in. I would also try to take more detailed notes on it if I were to repeat it.
<h3 /><h3>i hope it's help</h3>
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a sealed container filled with argon gas at 35 c has a pressure of 832 torr. if the volume of the container is decreased by a fa
lesya692 [45]

Answer:

If the volume of the container is decreased by a factor of 2 the pressure is is increased by the same factor to 1664 torr.

Explanation:

Here we have Boyle's law which states that, at constant temperature, the volume of a given mass of gas is inversely proportional to its pressure

V ∝ 1/P or V₁·P₁ = V₂·P₂

Where:

V₁ = Initial volume

V₂ = Final volume = V₁/2

P₁ = Initial pressure = 832 torr

P₂ = Final pressure  = Required

From V₁·P₁ = V₂·P₂ we have,

P₂ = V₁·P₁/V₂ = V₁·P₁/(V₁/2)

P₂  = 2·V₁·P₁/V₁ = 2·P₁ = 2× 832 torr = 1664 torr

6 0
3 years ago
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Jamie rolls a 6-sided die 30 times and determines that the experimental probability of rolling a 2 is Start Fraction 1 over 15 E
anyanavicka [17]

Answer:

Conduct more trials

Explanation:

Theoretical Probability can be defined as what someone is expecting to happen

Experimental Probability on the other hand, is defined as what actually happens.

Probability is usually calculated in the same way for experimental probability and that of theoretical probability. You divide the total number of possible ways in which a particular outcome can happen, by the total number of outcomes itself.

In Experimental probability, the more times a probability is tried, it gets closer and even more closer to theoretical probability.

So, for the question, Jamie should improve the number of tries more, so as to get his experimental probability results to be closer to the theoretical probability result.

8 0
3 years ago
Why is sterilising the water rarely used in treating the sewage water?
Marina86 [1]

Answer:

Sterilizing the water rarely used in treating the sewage water is described below in details.

Explanation:

Sterilization is the application of a chemical or physical system to eradicate all microorganisms, concluding comprehensive amounts of bacterial content. Heat treatment is the most relevant approach for the sterilization of waste-water that accommodates large levels of masses. well now sterilizing the water is un-usually practiced in managing the sewage water.

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nadya68 [22]

Answer:

one potassium, one nitrogen and three oxygen

Explanation:

potassium is K, nitrogen is N and oxygen is O

4 0
3 years ago
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Shkiper50 [21]

Answer:

a correct Lewis diagram for CO2 would look something like this

Explanation:

One C and 2 O. Both O have 4 extra dots and 2 lines/bonds to the C. C has no extra dots.

Hope this helps!

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