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
ahrayia [7]
2 years ago
8

All elements have a AHf, of ___

Chemistry
1 answer:
stellarik [79]2 years ago
7 0

All elements have a AHf, of <u>0</u>

kJ/mole at standard temperature and pressure.

<h3>What is an element?</h3>

An element can be defined as a substance which cannot be split into two or more simpler forms by an ordinary chemical process

Below are the list of the first twenty elements:

  • Hydrogen
  • Helium
  • Lithium
  • Berylium
  • Boron
  • Carbon
  • Nitrogen
  • Oxygen
  • Fluorine
  • Neon
  • Sodium
  • Magnesium
  • Aluminum
  • Silicon
  • Phosphorus
  • Sulphur
  • Chlorine
  • Argon
  • Potassium
  • Calcium

So therefore, all elements have a AHf, of <u>0</u>

kJ/mole at standard temperature and pressure.

Learn more about elements:

brainly.com/question/11829854

#SPJ1

You might be interested in
Who invented Microscope​
Anit [1.1K]

Answer:

Zacharias Janssen

3 0
3 years ago
Read 2 more answers
The combination of potassium-sparing diuretics and salt substitutes can result in dangerously high blood levels of:
alisha [4.7K]

Answer:

b. potassium.  

Explanation:

Potassium-sparing diuretics and salt substitutes are diuretics that eliminate salt and water but save potassium. They act by inhibiting the conducting sodium channels in the collecting tubule, such as amiloride and triamterene, or by blocking aldosterone, such as spironolactone.

Concomitant use of potassium-sparing diuretics together with salt substitutes may result in dangerously high blood levels of serum potassium. For this reason, it is important to consult a physician before taking these substances at the same time to avoid potential problems with potassium accumulation.

4 0
3 years ago
Consider the titration of 10.00 mL of a monoprotic weak acid with 0.1234 M NaOH. If the equivalence point volume of NaOH was det
gogolik [260]

The initial concentration of the unknown acid is 0.1900 M.

Explanation:

Titration is a chemical method of analysis to know the concentration and volume of the unknown chemical or analyte.

The formula for the titration is:

Macid x Vacid = Mbase x V base

The volume must be in litres. The volume is given in ml it should be divided with 1000 to obtain values in litre.

Data given are:

volume of acid= 10 ml 0.01 L

Molarity of the acid = ?

volume of the NaOH or base = 15.4 ml or 0.0154 L (equivalence point of the base)

molarity of the base = 0.1234 M

Applying the formula and putting the values, we get

Macid x 0.01 = 0.1234 x 0.0154

Macid =  0.1900 M

The weak acid is having molarity of 0.1900 M against the strong base with molarity of 0.1234M.

4 0
2 years ago
Which shows an isomer of the molecule below?
kobusy [5.1K]

Answer:

B

Explanation:

3 0
2 years ago
Read 2 more answers
Pls this need this I am doing a test and I need to get this
Alexxx [7]

Answer:

nib7tttugi

Explanation:

ilbbu

6 0
2 years ago
Other questions:
  • An angle of 200° is a/n _____ Angle.<br><br> A. acute<br> B. right<br> C. reflex<br> D.straight
    14·2 answers
  • Why do scientists need governmental funding?
    11·1 answer
  • If 19.2 liters of a gas are confined in a container at 269 kPa and 265 K. What is the volume of this gas at 310 K?
    8·1 answer
  • HELP PLZ ASAP... I'M CONFUSED :(
    10·2 answers
  • Which part of the water cycle would follow step C in the diagram shown?
    14·1 answer
  • What is the δg for the following reaction at 25°c? so3(g) h2o(l) → h2so4(l) given: so3(g):δg= –368 kjper mole h2o(l):δg= –237 kj
    6·1 answer
  • Choose the correct mole ratio for the balanced equation below.<br><br> Ca + 2H2O → Ca(OH)2 + H2
    15·1 answer
  • A forest ecosystem starts with both Sonoran toads and Wood frogs. What would you expect to happen if the ecosystem becomes more
    15·1 answer
  • Question 1 (4 points)
    7·2 answers
  • Ас
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!