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Simora [160]
3 years ago
15

Write and balance the equation for the neutralization reaction between phosphoric acid and

Chemistry
1 answer:
Effectus [21]3 years ago
7 0

Answer: H3PO4(aq)+3NaOH(aq)→Na3PO4(aq)+3H2O(l)

Explanation:

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Which observation shows that a substance is malleable?
Bad White [126]

Answer:

A

Explanation:

7 0
3 years ago
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A cube has a depth of 10 cm. What is the volume of the cube?<br><br>Or<br><br>What is depth?
PolarNik [594]

depth = side/lenght

the cube has all congruent sides

Volume = l³

Volume = 10³

Volume = 1000 cm³

6 0
3 years ago
Type one to two paragraphs describing the full water cycle. Be sure to use full sentences and proper grammar.
Bezzdna [24]

Answer:

The water cycle evaroprate from the sufrace of the water and rises into the atmosphere.

The water cycle is how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. The cycle of water are in and out of the atmosphere is a significant aspect of the weather patterns on Earth.

Explanation:

Step by Step

Step 1 Evaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapor (gas).

Step 2 Condensation

Step 3 Precipitation

Step 4 Collection.

5 0
3 years ago
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An unused flashbulb contains magnesium and oxygen. After use, the contents are changed to magnesium oxide but the total mass doe
harkovskaia [24]

Answer: Law of conservation of mass explains these observations.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products formed must be equal to the mass of reactants taken.

In order to get the same mass on both sides, the atoms of each element must be balanced on both sides of the chemical equation.

2Mg+O_2\rightarrow 2MgO

Mass of reactants= mass of Mg+ mass of O_2  = 48 g + 32 g = 80 g

Mass of products = mass of MgO = 80 g

Thus mass of reactants is equal to mass of products, thus law of conservation of mass is obeyed.

7 0
4 years ago
A 25.0 mL sample of H3PO4 requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
Kamila [148]

Answer:

The molarity of acid is 3 M.

Explanation:

Given data:

Volume of H₃PO₄ = 25 mL

Volume of NaOH = 50 mL

Molarity of NaOH = 1.50 M

Molarity of  H₃PO₄ = ?

Solution:

Formula:

M₁V₁  =  M₂V₂

M₁ = M₂V₂ / V₁

M₁ = 1.50 M ×50 mL / 25 mL

M₁ = 75 M. mL / 25 mL

M₁ = 3 M

The molarity of acid is 3 M.

8 0
4 years ago
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