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Readme [11.4K]
2 years ago
5

When 2.5 g of blue copper(ii) sulfate crystals were heated, 1.6 g of a white solid were left in tube A

Chemistry
1 answer:
Zinaida [17]2 years ago
8 0

Answer:

b po answerpa brainlest

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The population tha increases the amount of soil nutrients available to plants is D) bees that help spread pollen from one plant to another.
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Acetone is the main chemical in nail polish and has a density of 0.7857 g/mL. What is the volume of 6.54g of acetone ?
trapecia [35]

8.3mL

Explanation:

Given parameters:

Mass of acetone = 6.54g

Density of acetone = 0.7857 g/mL

Unknown:

Volume of acetone = ?

Solution:

Density is defined as the mass per unit volume of a substance. It is expressed mathematically as shown below:

  Density = \frac{Mass}{Volume}

Since the unknown is volume, we make it the subject of the formula

Volume =  \frac{mass}{density}

Input the values;

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2 years ago
Un catión trivalente contiene 75 nucleones y 45 neutrones, Señale el número de electrones que posee dicho catión.
FromTheMoon [43]

Answer:

10 electrons

Explanation:

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2 years ago
Scientific models _______. a. are based on a set of observations b. are used to replace experiments c. allow the study of existi
vladimir2022 [97]

Answer:

i would say C

Explanation:

You can only make a model of something if the real thing already exists.

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3 years ago
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1. Describe the process of photosynthesis. You may write an equation, draw a picture, or write an explanation. List all of the p
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Carbon Dioxide + Water --> Glucose + Oxygen + Energy(ATP) 
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Reactants: Carbon Dioxide + Water
Products: Glucose, Oxygen, and Energy
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3 years ago
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