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3 years ago

What happens when waves travel down

Chemistry

1 answer:

elena-s [515]3 years ago

5 0

Answer:

Wave speed, frequency and wavelength in refraction

Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases.

Explanation:

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Name three common

nlexa [21]

Answer:

PH value greater than 7=baking soda

PH value less than 7=vinegar

PH value equal to 7=pure water

hope it helps.

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3 years ago

Be sure to answer all parts. draw the product of the lewis acid-base reaction. label the electrophile and nucleophile. br2 + feb

jolli1 [7]

Br₂ + FeBr₃----->Br-Br-FeBr₃

In this reaction, FeBr₃, is a electron-deficient species that is it act as a lewis acid.

While Br₂, donates its electron to FeBr₃.

Br₂, act as a electrophile while FeBr₃ is a lewis acid.

Futher if Br₂, undergoes a reaction an aromatic ring , then that ring will attack Br₂, and it acts as a electrophile.

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3 years ago

Read 2 more answers

Changes to Earth's Surface

Ad libitum [116K]

Answer: As the glacier receded, the sediments in the stream built up to result in the formation.

Explanation: study island

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2 years ago

The easiest way to determine whether a process is exothermic or endothermic is to note the change in temperature in a calorimete

Kryger [21]

Answer:

In the calorimeter, water is the exothermic. The salt LiCI, which will dissolve, is the endothermic. The final temperature of the water after the dissolution of LiCI was lower than the initial temperature, meaning the process is exothermic. In the microscopic view of the disspolution of LiCI, water molecules were seen to move slowly as they gained energy.

Explanation:

Exothermic is a process in which heat is released during the process. Endothermic reactions absorbs heat from surrounding during a chemical process. The dissolution of salt into water is an exothermic reaction. During this process heat is release and water molecules are broken down which are surrounded by salt ions.

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3 years ago

Your patient gets a prescription for 62.5 mcg (micrograms, mg) of digoxin in liquid form. The label reads 0.0250 mg/mL. How many

blsea [12.9K]

Answer:

2.5 militers (mL) of digoxin solution

Explanation:

if 1 microgram = 0.001 miligram

then 62.5 micrograms = X miligrams

X = (62.5 × 0.001) / 1 = 0.0625 miligrams

the we calculate the number of militers of digoxin needed by the patient:

if we have 0.0250 miligrams of digoxin in 1 mililiter of solution

then we have 0.0625 miligrams of digoxin in X mililiters of solution

X = (0.0625 × 1) / 0.0250 = 2.5 militers (mL) of digoxin solution

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4 years ago