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3 years ago

Apart from physical factors, what other environmental factors are in your environment?

Physics

1 answer:

lora16 [44]3 years ago

5 0

Answer:

Explanation:

Factors which affects and impacts our environment may include water, sunlight, buildings and so many other. The factors which can touched are called the physical factors. The physical factirs include buildings, humans and so on. Other factirs which aren't physical inckide the the effects posed to the environment t by biological and chemical factirs which may include, the impacts in sunlight and Rainfall, the pH and so on.

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What causes the phases of the Moon as seen from Earth

Margaret [11]

the orbit of the moon around earth causes the phases since the light from the moon is caused by a reflection of sunlight... btw wrong subject,....

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4 years ago

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What would be the best method to separate only iron fillings from a mixture of sand, water, iron filings, and salt

IrinaVladis [17]

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3 years ago

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Neon is compressed from 100 kPa and 24°C to 500 kPa in an isothermal compressor. Determine the change in the specific volume and

trasher [3.6K]

Answer:

ΔV = -0.97 m³/ kg

ΔH = 0 kJ/ kg

Explanation:

To determine the change in the specific volume we need to use the ideal gas law:

$PV = RT$

where P: pressure of the gas V: volume of the gas, R: ideal gas constant= 0.4119 kJ/kg.K = 0.4119 kPa.m³/kg.K and T: temperature of the gas.

The V₁, at a compressed pressure is:

$V_{1}= \frac {RT}{P_{1}}$

$V_{1}= \frac {0.4119 \frac{kPa\cdot m^{3}}{kg\cdot K} \cdot (24 + 273 K)}{100 kPa}$

$V_{1}= 1.22 \frac{m^{3}}{kg}$

Similarly, the V₂ is:

$V_{2}= \frac {RT}{P_{2}}$

$V_{2}= \frac {0.4119 \frac{kPa\cdot m^{3}}{kg\cdot K} \cdot (24 + 273 K)}{500 kPa}$

$V_{2}= 0.25 \frac{m^{3}}{kg}$

Now, the change in the specific volume because the compressor is:

$V_{2} - V_{1} = 0.25 - 1.22 \frac{m^{3}}{kg}$

$V_{2} - V_{1} = -0.97 \frac{m^{3}}{kg}$

Finally, to calculate the change in the specific enthalpy, we need to remember that neon is an ideal gas and that is an isothermal process:

$\Delta H = C_{p} \cdot \Delta T$

$\Delta H = 1.0299 \frac{kJ}{kg \cdot K} \cdot 0$

$\Delta H = 0 \frac{kJ}{kg}$

Have a nice day!

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4 years ago

A site once used as an observatory by the Anasazi, ancient pueblo dwellers of New Mexico, has been recently discovered where pat

Artyom0805 [142]

Answer:

(C) At a recently discovered site once used as an observatory by the Anasazi, ancient pueblo dwellers of New Mexico, patterns of light and shadow were employed to establish the precise limits of the positions of the Sun and Moon over a nineteen-year cycle.

Explanation:

Option D does not convey the information that the site was once used as an observatory

Option E alters the meaning of the sentence. The two phrases, "....at a recently discovered place" and "....once used the site as an observatory", used together in this sentence bring about an unnecessary redundancy that change the meaning of the sentence.

The adjective "Where" is used to refer to the Anasazi, a population of humans. This is wrong.

Only option C clearly and correctly conveys the true meaning of the sentence.

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4 years ago

A group of tissues working together with a common goal make up a(n) _________________.

natita [175]

Organ system is the correct response hope this helps

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3 years ago