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solong [7]
3 years ago
9

1. They convert energy from the Sun into usable chemical energy by the process of photosynthesis. They are

Chemistry
2 answers:
shusha [124]3 years ago
6 0
Producers


hope this helps❤️
Furkat [3]3 years ago
6 0
The answer is producers
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1. solvents<br> What type of solid waste is solvents?
Hatshy [7]

Answer:

Another category of listed hazardous wastes, which can include solvents, are the P- and U-listed hazardous wastes. The P- and U-listed hazardous wastes are specific unused commercial chemical products (CCPs) or manufacturing chemical intermediates that are discarded or intended to be discarded.

Explanation:

hazardous wastes

4 0
3 years ago
A person applies a force of 200 N over 1.5 m to a jack. The jack exerts a 1000-N force on a car a distance of 0.02 m. What is th
xz_007 [3.2K]

Answer:

The efficiency rating of the jack is 0.067.

Explanation:

We have, a person applies a force of 200 N over 1.5 m to a jack. The jack exerts a 1000-N force on a car a distance of 0.02 m.

It is required to find the the efficiency rating of the jack. It is equal to the ratio of output work to the ratio of input work. So,

\eta=\dfrac{1000\times 0.02}{200\times 1.5}\\\\\eta=0.067

Thus, the efficiency rating of the jack is 0.067.

6 0
3 years ago
A sample of neon gas occupies 4.5 L of gas at 1.63 atm. What will be the volume if the pressure changes to 2.4 atm
Alenkasestr [34]

Answer:

\boxed {\boxed {\sf 3.1 \ liters}}

Explanation:

This question asks us to find the new volume if the pressure changes. Therefore, we use Boyle's Law, which states that pressure and the volume of the gas are inversely proportional. The formula is:

P_1V_1=P_2V_2

We know that the original sample of gas occupies 4.5 liters at a pressure of 1.63 atmospheres.  We know that the pressure was changed to 2.4 atmospheres, but we don't know the volume. Substitute all known values into the formula.

4.5 \ L * 1.63 \ atm= 2.4 \ atm * V_2

Since we are solving for the new volume (V₂), we need to isolate the variable. It is being multiplied by 2.4 atmospheres and the inverse of multiplication is division. Divide both sides by 2.4 atm.

\frac {4.5 \ L * 1.63 \ atm}{2.4 \ atm}= \frac{2.4 \ atm * V_2}{2.4 \ atm}

\frac {4.5 \ L * 1.63 \ atm}{2.4 \ atm}= V_2

The units of atmospheres (atm) cancel.

\frac {4.5 \ L * 1.63 }{2.4 }=V_2

\frac {7.335 \ L}{2.4 }=V_2

3.05625 \ L= V_2

The smallest number of significant figures in the original measurements is 2, so our answer must have the same. For the number we found, that is the tenths place.

The 5 in the hundredth place tells us to round the 0 up to a 1.

3.1 \ L = V_2

The volume of the neon gas when the pressure is changed to 2.4 atmospheres is <u>3.1 Liters.</u>

3 0
3 years ago
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HELP THIS IS SCIENCE (No links or I'll rip off your fingers)
balu736 [363]

Answer:

D

Explanation:

Silver is a metal with high conductivity ....

Hope its right !

3 0
3 years ago
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What was the hiker's average velocity during part C of the hike?
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6 km/h west would be your answer
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