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notsponge [240]
4 years ago
11

-Before we begin each flame test we will

Chemistry
1 answer:
ludmilkaskok [199]4 years ago
7 0

Answer:Poop

Explanation:poop

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Who discovered that a dense positively charged atomic nucleus is at the core of every atom
Inessa [10]

Answer:

Answer should be Ernest Rutherford

Explanation:

He was a New Zealand-born British physicist who came to be known as the father of nuclear physics.

4 0
4 years ago
Which of these groups includes organisms that are MOST closely related?
gregori [183]
The answer is D, species!

Hope this helps!
8 0
3 years ago
Read 2 more answers
1)
alisha [4.7K]

Answer: 1) A. It is the site of photosynthesis, where glucose is produce.

2) C. The large vascuole is like a water-filled balloon. When the plant is water-stressed, the water leaves the vacuole and the cells shrink.

3 0
3 years ago
Write the concentrated sulphuric acid H2C2O42H2O=2H2O+CO2+CO
masha68 [24]

Answer:

H2C2O4.2H20 → CO2 + CO + H2O

Explanation:

Oxalic acid crystals are nothing but dehydrated oxalic acid (H2C2O4 . 2H2O).

On heating, the water of crystallization is lost first. Then, the dehydrated oxalic acid decomposes into carbon dioxide(CO2), carbon monoxide(CO) and water(H2O).

Equations involved :

H2C2O4 . 2H2O → H2C2O4 + 2H2O

H2C2O4 → CO2 + HCOOH (FORMIC ACID)

HCOOH → CO + H2O

Overall equation : H2C2O4.2H20 → CO2 + CO + H2O

4 0
3 years ago
A 2.0 l container of oxygen had a pressure of 3.2 atm. what volume would be necessary to decrease the pressure to 1.0 atm? use t
aivan3 [116]

The volume that would be necessary to decrease the pressure to 1.0 atm is mathematically given as

v2=6.4l

<h3>What volume would be necessary to decrease the pressure to 1.0 atm?</h3>

Question Parameter(s):

A 2.0 l container of oxygen had a pressure of 3.2 atm

Generally, the equation for the   is mathematically given as

P1v1=p2v2

Therefore

v2=piv1/p2

v2=2*3.2/1

v2=6.4l

In conclusion, the  volume is

v2=6.4l

Read more about volume

brainly.com/question/1578538

8 0
3 years ago
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