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
vagabundo [1.1K]
3 years ago
5

For which substance does (triangle) Hf = 0

Chemistry
1 answer:
umka21 [38]3 years ago
7 0

Answer:

O3 ozone

Explanation:

You might be interested in
Identify the units used to measure volume mass.
Strike441 [17]

Answer:

The metric system uses units such as meter, liter, and gram to measure length, liquid volume, and mass, just as the U.S. customary system uses feet, quarts, and ounces to measure these.

Volume: 1 liter is a little more than 1 quart

Mass: 1 kilogram is a little more than 2 pounds

Length: 1 centimeter is a little less than half an

Explanation:

3 0
2 years ago
How many grams of silver chromate, Ag2CrO4, are produced from 57.7
Anastasy [175]
48.3 g AgNO3 / 169.9 g/mol = 0.284 moles AgNO3
0.284 mol AgNO3 X (1 mol Ag2CrO4/2 mol AgNO3) = 0.142 mol Ag2CrO4
0.142 mol Ag2CrO4 X 331.7 g/mol = 47.1 g Ag2CrO4
5 0
2 years ago
_______ law states the volume of a definite quantity of dry gas is inversely proportional to the pressure, provided the temperat
nasty-shy [4]
Boyles law --i hope this helps
5 0
3 years ago
What is the simplest type of particle?
Fed [463]
Particle is more than an atom - a particle I beleive implies either a diatomic gas or just a plain old unbonded noble gas atom? hope this helped.
8 0
2 years ago
Read 2 more answers
What is the first way in which biology researchers present the results of their latest research?
antoniya [11.8K]
Almost always, the first way in which biology researchers present the results of their latest research is to discuss the results of previous research that they want to build off of. 
5 0
3 years ago
Other questions:
  • Which gas is produced when Mg(s) is added to HCl(aq)?<br><br>O2<br><br>H2<br><br>Cl2<br><br>CO2
    13·2 answers
  • If each NADHNADH generates 3 ATPATP molecules and each FADH2FADH2 generates 2 ATPATP molecules, calculate the number of ATPATP m
    6·1 answer
  • Copper has a density of 8.96 g/cm3. If 75.0 g of copper is added to 50.0 mL of water in a graduated cylinder, to what volume rea
    15·1 answer
  • If a temperature increase from 12.0 ∘c to 22.0 ∘c doubles the rate constant for a reaction, what is the value of the activation
    5·1 answer
  • Which reason best explains why metals are ductile instead of brittle?
    11·1 answer
  • Which of the following keeps satellite in orbit
    7·1 answer
  • The estimate obtained from a sample of which size is likely to be closest to
    15·2 answers
  • What is the source of carbon in a glucose molecule produced by photosynthesis?
    6·1 answer
  • Why do you add hydroxide to your hexanediamine solution? what would occur if you did not add it?.
    8·1 answer
  • Use atomic properties to explain the reduction of a less active metal by a more active one:(b) in the molten state. Give a speci
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!