1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nitella [24]
3 years ago
14

Observation and assessment are most effective when

Chemistry
1 answer:
Artist 52 [7]3 years ago
6 0
I think the answer is A. Hope that helped :)
You might be interested in
Question 8
nexus9112 [7]
72 degrees C (minus 273)
6 0
3 years ago
Uses of baking powder​
NARA [144]

Baking powder is used to increase the volume and lighten the texture of baked goods. It works by releasing carbon dioxide gas into a batter or dough through an acid–base reaction, causing bubbles in the wet mixture to expand and thus leavening the mixture.

7 0
3 years ago
Read 2 more answers
How many atoms of carbon are combined to with 2.81 moles of hydrogen atoms in a sample of the compound ethane, C2H6?
puteri [66]

Answer:

5.64×10²³ atoms C

Explanation:

Convert moles of H to moles of C:

2.81 mol H × (2 mol C / 6 mol H) = 0.937 mol C

Convert moles of C to atoms of C:

0.937 mol C × (6.02×10²³ atoms C / mol C) = 5.64×10²³ atoms C

5 0
4 years ago
1362205.2 in scientific notation
SVETLANKA909090 [29]
1.3622052x10^6 you move the . 6 places to the left making it a positive 10^6
8 0
3 years ago
Select the correct answer. Which is a chemical change? A. water boiling B. wood burning C. glass breaking D. ice melting E. mold
asambeis [7]

B. wood burning is a chemical change.

4 0
3 years ago
Read 2 more answers
Other questions:
  • A concentrated solution has:
    8·1 answer
  • What is the molar mass of calcium bromide?
    14·1 answer
  • Specialized proteins which function as catalysts for organic reactions are:
    10·2 answers
  • Nitrogen and hydrogen combine to form ammonia in the Haber process. Calculate (in kJ) the standard enthalpy change ΔH° for the r
    5·1 answer
  • Functions of weather​
    7·1 answer
  • What would the Net Ionic Equation be for the following:
    11·1 answer
  • Https://aoa.sooschools.com/media/a_scigen02_2016/3/s803_31.gif
    14·2 answers
  • Wrrite any 4 importance of nitrogen​
    9·1 answer
  • What are the charecteristics of halogens
    15·2 answers
  • Use the periodic table to choose the element that matches each description.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!