Answer:
30284.88J
Explanation:
c=mCtetha
c=257×2.4×49.1
hope it helps
please like and Mark as brainliest
The correct answer is (B) Adding a dilute solution of HCl
<u>EXPLANATION</u>
The presence of carbonate ions can be tested by adding a dilute acid to the solution. The acid displaces Carbon (IV) oxide from the solution. Using HCl, and a carbonate of metal X.
XCO₃₍s₎ + 2HCl₍aq₎⇒ XCl₂₍aq₎+ H₂O₍l₎ + CO₂₍g₎
The gas produced is tested using calcium hydroxide to confirm whether it is carbon (IV) oxide.
A plant makes its own food from the water and sun
Answer:
1.C+2H2-CH4
Explanation:
when we add two to hydrogen the product is equal to the reactant
It would be a continuous straight line
