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natita [175]
3 years ago
9

The initial explanation for a phenomenon prior to experimentation is called?

Chemistry
2 answers:
Oksana_A [137]3 years ago
8 0
 The initial explanation for a phenomenon prior to experimentation is called<span> a(n): Hypothesis.</span>
Gnoma [55]3 years ago
6 0

Confirmation bias, also called confirmatory bias or myside bias,[Note 1] is the tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses, while giving disproportionately less consideration to alternative possibilities.[1] It is a type of cognitive bias and a systematic error of inductive reasoning. People display this bias when they gather or remember information selectively, or when they interpret it in a biased way. The effect is stronger for emotionally charged issues and for deeply entrenched beliefs. People also tend to interpret ambiguous evidence as supporting their existing position. Biased search, interpretation and memory have been invoked to explain attitude polarization (when a disagreement becomes more extreme even though the different parties are exposed to the same evidence), belief perseverance (when beliefs persist after the evidence for them is shown to be false), the irrational primacy effect (a greater reliance on information encountered early in a series) and illusory correlation (when people falsely perceive an association between two events or situations).

A series of experiments in the 1960s suggested that people are biased toward confirming their existing beliefs. Later work re-interpreted these results as a tendency to test ideas in a one-sided way, focusing on one possibility and ignoring alternatives. In certain situations, this tendency can bias people's conclusions. Explanations for the observed biases include wishful thinking and the limited human capacity to process information. Another explanation is that people show confirmation bias because they are weighing up the costs of being wrong, rather than investigating in a neutral, scientific way.

Confirmation biases contribute to overconfidence in personal beliefs and can maintain or strengthen beliefs in the face of contrary evidence. Poor decisions due to these biases have been found in political and organizational contexts.

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An 8 kilogram bowling ball is Rolling in a straight line. If it’s momentum is 16 kg m/s how fast is it traveling?
BartSMP [9]
This is a simple problem where you would use the simplified formula

P = m • v

16 kgm/s = 8 kg • v

V = 2 m/s.

The ball is travelling at 2 m/s.
8 0
3 years ago
Why is saturated sodium chloride solution (also known as brine) used?
charle [14.2K]
B is the answer 
<span>least 20 characters </span>
6 0
3 years ago
Binary ionic compounds are named in what pattern?
leva [86]

Answer: The correct answer is option a.

Explanation: Binary ionic compounds are the compounds made up of two ions, one is cation which is metal and another is anion which is a non-metal.

Rules for the naming of Binary Ionic compound.

1. First write the full name of cation.

2. The anion is named after using the suffix '-ide'. For example: If the anion is bromine, the name will be bromide and so on.

3. If the metal atom is Transition element, then the roman numeral is included after the metal name to indicate the oxidation number of the metal.

So, in order to write the name of Binary Ionic Compound, we first write metal followed by non-metal. Hence, the correct option is option a.

3 0
4 years ago
Read 2 more answers
At 500°C the equilibrium constant, Kp, is 4.00 × 10–4 for the equilibrium: 2HCN(g) H2(g) + C2N2(g) What is Kp for the following
Andrews [41]

<u>Answer:</u> The value of K_p for the equation is 2.5\times 10^3

<u>Explanation:</u>

The given chemical reaction is:

2HCN(g)\rightleftharpoons H_2(g)+C_2N_2(g);K_1

The chemical equation for which the equilibrium constant is to be calculated follows:

H_2(g)+C_2N_2(g)\rightleftharpoons 2HCN(g);K_p

As, the equation is the result of the reverse of given reaction. So, the equilibrium constant for the equation will be the inverse of equilibrium constant for the given reaction.

The value of equilibrium constant for the equation is:

K_p=\frac{1}{K_1}

We are given:

K_1=4.00\times 10^{-4}

Putting values in above equation, we get:

K_p=\frac{1}{4.00\times 10^{-4}}=2.5\times 10^3

Hence, the value of K_p for the equation is 2.5\times 10^3

3 0
4 years ago
2. You water three sunflower plants with salt water. Each plant receives a different
wlad13 [49]

Answer:

Independent variable, is the amount of salt water received by each plant

Dependent variable, is the height of each plant

Control group, is the fourth plant that received pure water.

Note: The question is incomplete. The complete question is as follows: For the following experiments, define the independent variable (IV), dependent variable (DV) and control group (CG).

2. You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured.

Explanation:

Independent variable: An independent variable is a variable that an experimenter changes or controls and which has a direct effect on the dependent variable.

In the experiment above, the independent variable is the amount of salt water received by each plant because it is under the control of the experimenter and also is thought to have a direct effect on the height of plants.

Dependent variable: A dependent variable is a variable that is being measured or studied in an experiment, and it depends on the independent variable for its results.

The height of the plants is the dependent variable as it depends on the amount of salt water the plant receives.

Control group: The control group is the group in an experiment or study that does not receive the treatment as the other groups being studied and as such, is not influenced by the independent variable. Therefore, it is used as a standard for the other groups under study.

In this experiment, the control group is the fourth plant that received pure water.

3 0
3 years ago
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