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AysviL [449]
3 years ago
5

Which type(s) of matter would need to be separated by chemical methods?

Chemistry
1 answer:
Marta_Voda [28]3 years ago
3 0

Answer:

solids, liquids, gases, or plasma

Explanation:

In chemistry, a chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components without breaking chemical bonds. Chemical substances can be solids, liquids, gases, or plasma

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How many grams are there in 2.4 moles of CaCO3?
Montano1993 [528]

I believe it’s 5.7 moles

5 0
3 years ago
How are cellular respiration and photosynthesis related?
jekas [21]

Answer:

A

Explanation:

Hope it helps

<em> </em><em>#CarryOnLearning</em><em> </em>

3 0
3 years ago
Please help me balance:<br>_NaNO3 + _PbO_ ➡️ Pb(NO3)2 + _Na2O
KengaRu [80]

Answer:

The balanced reaction is given by,

2NaN(O)3 + PbO ⇒ Pb(NO3)2 + Na2O

Explanation:

The reaction is as given.

Lets count the number of each elements in the reaction.

<em>In reactant side, number of sodium atoms are 1 , lead are 1, nitrogen are 1 and oxygen are 4.</em>

<em>in product side, number of sodium atoms are 2 , lead are 1 , nitrogen are 2 and oxygen are 7.</em>

<em>So we need to balance sodium and oxygen atoms in the reaction.</em>

<em>There is deficient of sodium and oxygen atoms on reactant side</em>.

Thus, multiply (NaNO3) by 2.

<em>Thus, sodium atoms become 2 , nitrogen 2 and oxygen 6. Total 7 oxygen atoms.</em>

Thus, the balanced reaction is,

2NaN(O)3 + PbO ⇒ Pb(NO3)2 + Na2O

7 0
3 years ago
I dunno which one it is could someone help please?​
alex41 [277]

Answer: B. photosynthesis

Explanation: Glucose and oxygen react together in plant cells to produce energy.

5 0
3 years ago
Read 2 more answers
the gas left in an used aerosol can is at a pressure of 103 kPa at 25 degrees celsius if this can be thrown into fire what is th
Rainbow [258]
Hello!

The pressure of the gas when it's temperature reaches 928 °C is 3823,36 kPa

To solve that we need to apply Gay-Lussac's Law. It states that the pressure of a gas when the volume is left constant (like in the case of a sealed container like an aerosol can) is proportional to temperature. This is the relationship derived from this law that we use to solve this problem:

P2= \frac{P1}{T1}*T2= \frac{103 kPa}{25}*928=3823,36 kPa

Have a nice day!
5 0
3 years ago
Read 2 more answers
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