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GaryK [48]
3 years ago
7

During which phase of the moon do neap tides occur

Chemistry
2 answers:
Eduardwww [97]3 years ago
5 0

Answer:

quarter moons

Explanation:

Neap tides are especially weak tides. They occur when the gravitational forces of the Moon and the Sun are perpendicular to one another

Andrew [12]3 years ago
3 0

Answer:c

Explanation:

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1. Which of the following is a correctly written thermochemical equation?
WITCHER [35]

Explanation:

1. Thermochemical equation is balance stoichiometric chemical equation written with the phases of the reactants and products in the brackets along with the enthalpy change of the reaction.

The given correct thermochemical reactions are:

Fe(s)+O_2(g)\rightarrow Fe_2O_3(s),\Delta H = 3,926 kJ


C_3H_8(g)+5O_2 (g)\rightarrow 3CO_2 (g)+4H_2O(l),\Delta H= 2,220 kJ/mol

2. Phase change affect the value of the enthalpy change of the thermochemical equation. This is because change in phase is accompanied by change in energy. For example:

H_2O(s)\rightarrow H_2O(g),\Delta H_{s}=51.1 kJ/mol

H_2O(l)\rightarrow H_2O(g),\Delta H_{v}=40.65 kJ/mol

In both reaction phase of water is changing with change in energy of enthalpy of reaction.

7 0
3 years ago
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3 years ago
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matrenka [14]

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The density of an element is 19.3 g/cm^3. What is its density in kg/m^3?
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