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Sav [38]
3 years ago
6

Please help 15 points

Chemistry
1 answer:
horsena [70]3 years ago
8 0

Answer:

if we were standing on the sidewalk Thane our perspective of the world would look like ( car moving right) (plane moving right as well) hope this helps comment for any further help

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Which of the following properties decreases from left to right across a period? *
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Match the following chemical reactions:
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Synthesis - 4

reversible- 2

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Explanation:

In synthesis reaction two or more components combines to form a single product. example 2H2+O2⇒2H2O

In reversible reaction two reactants combine to form two products . The products then reacts and forms back the reactants. example N2 +3H2 ⇒2NH3

In exchange reaction there is an alternation of ions of reactants to form new products. AB+CD ⇒AC + BD

In decomposition reaction, molecules of a compound break down by the action of heat or light or catalyst. example CaCO3 ⇒CaO +CO2

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3 years ago
What is a way of transforming energy by exerting a force over distance?
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a. Work

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If you apply a force over a given distance - you have done work. Work = Change in Energy. If an object's kinetic energy or gravitational potential energy changes, then work is done. The force can act in the same direction of motion.

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3 years ago
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