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marin [14]
2 years ago
5

What are the building blocks of all matter that cannot be broken down any further into other substances?

Chemistry
2 answers:
Alexxx [7]2 years ago
8 0

Answer:

this would be an atom

Explanation:

Rasek [7]2 years ago
7 0
The person above me’s answer is unfortunately wrong. since atoms are made of electrons, protons, and neutrons, they can obviously still be broken down. the correct answer is elements.
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Sodium carbonate (Na2CO3) reacts with acetic acid (CH3COOH) to form sodium acetate (NaCH3COO), carbon dioxide (CO2), and water (
Evgen [1.6K]

Answer:

=3,723.3 J=3.72  but if it has the option of -3.72 kJ then use that

Explanation:

Use the formula q=m×Cp×delta T

m=1.500 kg=1,500 g

Co=2.52 J/g·k

delta T=0.985k

q=(1,500g)(2.52 J/g·k)(0.985k)

7 0
3 years ago
True or False: The bowling ball pendulum didn’t hit Bill Nye in the face because the amount of kinetic energy can never be more
Ira Lisetskai [31]

Answer: false

Explanation:

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3 years ago
The temperature program for a separation starts at a temperature of 50 °C and ramps the temperature up to 270 °C at a rate of 10
Troyanec [42]

Answer:

The correct answer to the question is Option E (Strongly retained analytes will give broad peaks).

Explanation:

The other options are true because:

A. Initial temp = 50 °C

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Differences in temp = 270 - 50 = 220°C

Rate =  10 °C/minute.

So, at 10 °C/minute,

total of 220°C /10 °C = number of minutes required to reach the final temp.

220/10 = 22 minutes

B. A column has a minimum and maximum use temperature. Solutes that are already retained would remain stationary while temperatures are low. This would only change if there is an increase in temperature. Heat transfers more energy to the liquid which would make the solute interact with the column phase.

C. Weakly retained solutes may contain larger molecules, will separate by absorbing into the solvent early in separation making the mobile phase separates out into its components on the stationary phase.

D. Retained solute's vapor pressure is higher at higher temperatures making it possible for particle to escape more from the solute when the temperature is high than when it is low.

6 0
3 years ago
Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer
Kruka [31]

Answer:

i need a picture of ur question

Explanation:

7 0
2 years ago
When determining an element’s chemical properties, the most important subatomic particle to look at is
GrogVix [38]
The answer is F. protons
5 0
2 years ago
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