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Viefleur [7K]
3 years ago
10

An oscilloscope is a machine that gives a picture of a sound wave. Low-pitched sounds have wide waves, and high-pitched sounds h

ave thin waves. Which sound below has the highest pitch? F G H J

Chemistry
2 answers:
AVprozaik [17]3 years ago
8 0

Answer:

h

Explanation:

h has the thinnest line

jolli1 [7]3 years ago
3 0

the answer is g hope this helps

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The enthalpy of combustion of 1 mole of benzene is 3169 kJ/mol .

The first step in answering this question is to obtain the balanced thermochemical equation of the reaction. The thermochemical equation shows the amount of heat lost or gained.

The thermochemical equation for the combustion of benzene is;

2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(g) ΔrH° = -3169 kJ/mol

We can see that 1 mole of benzene releases about 3169 kJ/mol of heat.

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2 years ago
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Jean's mother lit a candle and placed it on his birthday cake. As they sang happy birthday, the wick burned, the wax
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The wick burning

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3 years ago
Please help on the questions that is left blank!! Due soon and will mark brainliest
34kurt

Answer: The strength of an acid or alkali depends on the degree of dissociation of the acid or alkali in water. The degree of dissociation measures the percentage of acid molecules that ionise when dissolved in water. He could use universal indicators or litmus paper for this.

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The isotopes of an element all have the same __(atomic, mass) __number, but they have different __(atomic,mass)__numbers.
Vlad1618 [11]
<h2>The isotopes of an element all have the same __(atomic, mass) __number, but they have different __(atomic,mass)__numbers.</h2>

Explanation:

The isotopes of an element all have the same __atomic  number  __, but they have different __mass __numbers.

The isotopes have same atomic number that is :

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The isotopes have different mass number that is :

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