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Sliva [168]
3 years ago
14

According to Dalton, what happens to atoms during a chemical reaction? Atoms gain or lose energy. Atoms are rearranged. Old atom

s are destroyed. New atoms are created.
Chemistry
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

Atoms are rearranged.

Explanation:

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For the reaction
ddd [48]

Answer:

52.2 g

Explanation:

Step 1: Write the balanced equation

3 KOH + H₃PO₄ ⟶ K₃PO₄ + 3 H₂O

Step 2: Calculate the moles corresponding to 89.7 g of KOH

The molar mass of KOH is 56.11 g/mol.

89.7 g × 1 mol/56.11 g = 1.60 mol

Step 3: Calculate the moles of H₃PO₄ needed to react with 1.60 moles of KOH

The molar ratio of KOH to H₃PO₄ is 3:1. The moles of H₃PO₄ needed are 1/3 × 1.60 mol = 0.533 mol.

Step 4: Calculate the mass corresponding to 0.533 moles of H₃PO₄

The molar mass of H₃PO₄ is 97.99 g/mol.

0.533 mol × 97.99 g/mol = 52.2 g

3 0
2 years ago
. Write an equation for the combined gas law, using temperature in degrees Celsius. Explain why the Kelvin scale is convenient.
NemiM [27]

Answer:

<em>P1V1</em><em>/</em><em>(</em><em>c1</em><em>+</em><em>2</em><em>3</em><em>7</em><em>)</em><em>=</em><em>P2V2</em><em>/</em><em>(</em><em>c2</em><em>+</em><em>2</em><em>3</em><em>7</em><em>)</em><em> </em><em>where </em><em>c</em><em>=</em><em>Celsius</em>

Explanation:

kelvin scale is alot covinent because of it absolute zero

8 0
3 years ago
2. If a gas at 500 mL has a temperature of 45°C, then what is the new volume when the temperature is increased to 65°C? Show you
OLEGan [10]

Answer:

V2= 531.4 ml

Explanation:

T1= 273+45 °C= 318 Kelvin

T2= 273+65 °C= 338 Kelvin

V1= 500ml *( 0.001L/1ml)= 0.5 Liters

V2= \frac{V1 * T2}{T1}= \frac{0.5 L * 338K}{318K} = 0.5314465409 Liters* (1 ml/0.001 L)= 531.4 ml

8 0
2 years ago
Which of the following substances contain metallic bonds?
devlian [24]
I think it’s C. Copper
3 0
3 years ago
Chemical energy sources are often portable and provide large amounts of energy. Fossil fuels are one kind of chemical energy sou
MrMuchimi
I’m not really sure sorry
4 0
3 years ago
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