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PIT_PIT [208]
3 years ago
12

Ill give u brainliest pls help i only have until 1:00!

Chemistry
2 answers:
garik1379 [7]3 years ago
8 0

Astronomers would use astronomical units when measuring objects in a solar system. Lightyears would be used when measuring objects outside of our solar system.

Answer: When measuring in a solar system

gain integrity

OLEGan [10]3 years ago
7 0

Perhaps when they are trying to find the distance of an asteroid to the Earth to find out whether or not it is a hazard to Earth.

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If a ballon at 3.4 atm at 301k, what is the pressure when cooled to 212k
stepladder [879]

Answer:

2.39 atm

Explanation:

- Use Gay-Lussac's law

- P2 = P1T2/T1

- Fill in with our values

- Hope this helped! Please let me know if you need further explanation.

8 0
3 years ago
The mechanism for producing a concentrated urine involves all of the following except
avanturin [10]

Answer:

The correct answer is "obligatory water reabsorption in the proximal convoluted tubule".

Explanation:

The mechanism for producing concentrated urine cannot include the obligatory reabsorption of water in the proximal convoluted tubule since this process is part of the nephron, the system that filters the blood. Glucose and amino acids are reabsorbed almost entirely, as are approximately 70% of filtered potassium and 80% of bicarbonate.

Have a nice day!

4 0
3 years ago
What is one result of a chemical change?
Phoenix [80]
A new material is formed in <span>result of a chemical change. Typically, the chemical changes always make the new material.</span><span />
3 0
3 years ago
Which of the following pairs of reactants is not correctly listed with its product solution? A. Strong base-strong acid reactant
alexandr1967 [171]

Answer: Option B

Explanation: when strong acid react with strong base, the resulting solution is neutral as in the case of HCl and NaOH

HCl + NaOH —> NaCl + H2O

From the equation obtained, The salt ( NaCl) obtained is a normal salt which is neutral.

4 0
3 years ago
What does it mean ppppllllllzzzzz
Dafna1 [17]
Method means a particular form or procedure for accomplishment or approaching something, especially a systematic or established one.  
4 0
3 years ago
Read 2 more answers
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