English, 07.10.2020 20:01, halledoll2002

Which evidence is an indication that a chemical reaction has occurred?

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answered: baegel

Answer/Explanation:

A chemical reaction is also known as a chemical change.

A chemical reaction occurs when one or more reactants change into new substances called products

There are a few changes that might accompany a chemical reaction including:

a change in the color of the solutionthe formation of a gas, which might be visible through bubbles being produceda temperature change - often the chemical reaction will produce heatthe formation of a precipitate - this means that particles that do not dissolve in the solution will formodor change - a different smell might be producedtlight given off - some reactions might produce a brighr ligh

answered: Guest

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)

answered: Guest

answer: hmm i’ve done that before.. i’ll answer back when i move got it. i know i have the answer.. it’s on the tip of my tongue! don’t worry.. i’ll try to answer asap!

explanation:

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