What is the salt produced when calcium hydroxide, Ca(OH)2, reacts with phosphoric acid, H3PO4, in a neutralization reaction?
Answers
Explanation:
A neutralization reaction is a reaction in which two different compounds combine together and result in the formation of salt and water.
Foe example,
Therefore, salt of calcium phosphate is formed along with formation of water when compounds
and
react together.
Calcium phosphate. Which is your Ca3(PO4)2.
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Enter the the ksp expression for the solid ab2 in terms of the molar solubility x.
If a sample of iron with a density of 7.80 g/cm3 displaces 75.0 mL of water when placed in a beaker, what is its mass?
The net energy released or absorbed during a reversible chemical reaction is equal to(1) the activation energy of the endothermic reaction (2) the activation energy of the exothermic reaction (3) the difference between the potential energy of the products and the potential energy of the reactants (4) the sum of the potential energy of the products and the potential energy of the reactants
PLEASE HELP!!A solution is made with 23.50 g of calcium chloride, CaCI2 and 250.0 mL of water. The water is 25.0°C. What is the freezing point of this solution?Assume the CaCI2 dissolves completely in the water.. The density of water at 25.0°C is 0.997 g/L, and the KF of H20 is 1.858°C kg/mol.
B. 1.00 × 10¹⁵ cm
C. 2.00 × 10⁵ cm
D. 6.00 × 10^{–5}cm
E. 1.20 × 10^{–8} cm
Can someone explain me how to make this one step by step?
Answers
B)convert joules per nucleus to joules per mole of nuclei
C)convert mass to tons
D)convert mass to energy
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Answer:
D
Explanation:
Einstein's equation E = m * c2, allows to determine the energy.
How to determine nuclear binding energy? To achieve it, the mass of the nucleons it is combined and transformed into energy, at the end of the process there is less mass in the system than there was before combining and converting into energy.
produced during respiration?
W
X
Y
Z
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Answer:
X
Explanation:
Letter X is mitochondria. The mitochondria produces carbon dioxide, water, and ATP energy during cellular respiration.
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Endothermic reactions are reactions that take in energy. This is usually in the form of heat. An example could be evaporation because heat is being absorbed by water and molecules are moving away from each other.
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Sodium has 11 electrons, and in its ground state, 8 of these electrons are located in the second principal energy level.
The total number of electrons in the second principal energy level of a sodium atom in the ground state can be determined by understanding the electron configuration of sodium.
Sodium (Na) has an atomic number of 11, which means it has 11 electrons. In the ground state, these electrons are distributed in various energy levels. The second principal energy level, often denoted as n=2, can hold a maximum of 8 electrons. The first energy level, n=1, can hold a maximum of 2 electrons.
To find the number of electrons in the second energy level, we first fill the first energy level with 2 electrons and then place the remaining 9 electrons in the second energy level. However, since the second energy level can only hold 8 electrons, sodium's electron configuration in the ground state is 2-8-1, where 2 electrons are in the first energy level, 8 electrons are in the second energy level, and 1 electron is in the third energy level.
So, there are 8 electrons in the second principal energy level of a sodium atom in the ground state.
For more such information on: energy level.
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