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3 years ago

What is the crucial element of a good hypothesis?

1 answer:

4 0

The qualities of a good hypothesis are: 1) Logically consistent with other theories and data 2) Have explanatory power 3) Be empirically testable 4) Similar hypothesis is the better hypothesis.

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Balance the chemichal equation: NH3+CuO➡️Cu+N2+H2O

Gala2k [10]

2NH3+3CuO➡️3Cu+N2+3H2O

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2 years ago

What is the lewis dot structure for Ca3P2 and Al2O3?

zlopas [31]

Answer:

The atomic number of the sodium atom is 11. The atomic mass number can be estimated by rounding the atomic mass to 23.

Explanation:

The atomic number of the sodium atom is 11. The atomic mass number can be estimated by rounding the atomic mass to 23.

3 0

3 years ago

Which of the following does the internal energy of an ideal gas depend upon?

Serggg [28]

Answer:

The correct option is: a. The internal energy depends upon its temperature.

Explanation:

Ideal gas is a hypothetical gas that obeys the ideal gas law. The equation for the ideal gas law:

P·V=n·R·T

Here, V- volume of gas, P - total pressure of gas, n- total mass or number of moles of gas, T - absolute temperature of gas and R- the gas constant

Also, according to the Joule's second law, the internal energy (U) of the given amount of ideal gas depends on the absolute temperature (T) of the gas only, by the equation:

$U = c_{V}nRT$

Here, $c_{V}$ is the specific heat capacity at constant volume

4 0

3 years ago

An object is traveling at a speed of 7500.0 centimeters per second. How many kilometers per day

ivann1987 [24]

Answer:

6,480 kilometers

Explanation:

1 day = 86,400 seconds

1 kilometer = 100,000 centimeters

Equation:

86,400 x 7,500 = 648,000,000

648,000,000 ÷ 100,000 = 6,480

Hope this helped : )

7 0

2 years ago

I need an analysis and conclusion, for the lab, Types of reactions

Leya [2.2K]

Answer:

Explanation:

I am a bit confused is there instuctions on what to write on or anything like that

3 0

3 years ago