Answer:
How are density, mass and volume related to each other? How do ... This diagram compares the particles in a gas, a liquid and a solid. ... The following diagram represents one of the glasses pictured above, containing a colourless liquid ... For matter to change from one state to another, its particles must gain or lose energy.
Explanation:
Answer:
Farmers spray to mitigate crop damage caused by pests. A pest is any biological organism, including weeds, pathogens, and arthropods, that interferes with the production of crops affecting quality and/or yield. ... Pesticides work in many different ways by affecting their target, whether it be a weed, pest, or disease.
Explanation:
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Answer:
Nature imagery represents truth and enlightenment in Fahrenheit 451, especially for Montag, but also for Clarisse, the young woman he befriends early in the novel. Montag lives in a world where the natural has been replaced by the emptiness of the mechanical, robotic, and man-made.
Explanation:
Answer:
B?
Explanation:
In the example, the amount of hydrogen is 202,650 x 0.025 / 293.15 x 8.314472 = 2.078 moles. Use the mass of the hydrogen gas to calculate the gas moles directly; divide the hydrogen weight by its molar mass of 2 g/mole. For example, 250 grams (g) of the hydrogen gas corresponds to 250 g / 2 g/mole = 125 moles.
Answer:
The greenhouse effect
Explanation:
The greenhouse effect is a straightforward method that heats the Earth's exterior. When the Sun's rays touch the Earth's environment, some of it is bounced back to space and the rest is grasped and re-heated by greenhouse gases. The consumed energy heats the environment and the exterior of the Earth.