Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Chemical Reactions
Atom count
Use the chemical reaction to answer the question. 2H2+O2→2H2O There are four atoms of hydrogen ( H ) before the reaction. How many atoms of hydrogen are present after the reaction? (1 point) Responses 8 8 5 5 4 4 2 2
1 answer
There are 4 atoms of hydrogen before the reaction and 4 atoms of hydrogen after the reaction as well.
You can
ask a new question
or
answer this question
.
Related Questions
2H2(g)+ O2(g) --> 2H2O(L)
I know the oxidizing agent is oxygen and the reducing agent is hydrogen. what are the number of
When lead (IV) oxide is heated with hydrogen, the following reaction occurs:
PbO2(s) + 2H2(g) → Pb(s) 2H2O(g) This reaction
When lead (IV) oxide is heated with hydrogen, the following reaction occurs:
PbO2(s) + 2H2(g) → Pb(s) 2H2O(g) This reaction
At 500 ºC, the decomposition of water into hydrogen and oxygen,
2H2O(g) 2H2(g) + O2(g) has Kc = 6.0 × 10-28. What are the
Use the chemical reaction to answer the question.
NaHCO3 + HC2H3O2 -- NaC2H3O2 + H2O + CO2 A student mixes baking soda and acetic
use the chemical reaction to answer the question.
2H2 + O2 -- 2H2O There are four atoms of hydrogen before the reaction how many
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)
Responses: 2H2 +
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?
a. H2+O2=H2O b.
Use the chemical reaction to answer the question.
2H2O2→2H2O +O2 Which statement about the reaction is correct? (1 point)
2H2O --> 2H2 + O2
if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?
