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
spin [16.1K]
3 years ago
11

How is a slump different from creep?

Chemistry
1 answer:
grin007 [14]3 years ago
8 0

Answer:

Is this chemistry or ELA!

You might be interested in
Nitrogen and hydrogen combine to form ammonia in the Haber process. Calculate (in kJ) the standard enthalpy change ∆H° for the r
Kazeer [188]

Answer:

∆H° rxn = - 93 kJ

Explanation:

Recall that a change in standard in enthalpy, ∆H°, can be calculated from the inventory of the energies, H, of the bonds  broken minus bonds formed (H according to Hess Law.

We need to find in an appropiate reference table the bond energies for all the species in the reactions and then compute the result.

              N₂ (g)   +            3H₂ (g)   ⇒                          2NH₃ (g)

1 N≡N = 1(945 kJ/mol)     3 H-H = 3 (432 kJ/mol)       6 N-H = 6 ( 389 kJ/mol)

∆H° rxn = ∑  H bonds broken  - ∑ H bonds formed

∆H° rxn = [ 1(945 kJ)   + 3 (432 kJ) ] - [ 6 (389 k J]

∆H° rxn = 2,241 kJ -2334 kJ = -93 kJ

be careful when reading values from the reference table since you will find listed N-N bond energy (single bond), but we have instead a triple bond,  N≡N,  we have to use this one .

8 0
3 years ago
For resonance to occur, the object must experience a frequency equal to its what?
babunello [35]

Answer:

A. Natural Frequency

Explanation:

I took the test. (100%)

8 0
3 years ago
Read 2 more answers
An increase in blood co2 levels leads to __________.
tatiyna

Answer:

Respiratory Acidosis

Explanation:

4 0
3 years ago
Tell how you could distinguish between the pair of compounds by their infrared spectra: compound a ch3ch2ch2n(ch3)2 and compound
maksim [4K]

Answer:-

b. compound b will show an nh absorption while compound a will not.

Explanation:-

For compound B CH3CH2CH2NH2 there are two N-H bonds present. So it will show NH absorption.

But in compound A CH3CH2CH2N(CH3)2 there are no N-H bonds. So it will not show NH absorption.

6 0
3 years ago
In 1869, mendeleev created a periodic table in which elements were ordered by weight and placed in groups based on their chemica
Tomtit [17]

Answer:

D

Explanation:

Mendeleev periodic table predicted the properties of undiscovered element like the eka-aluminium.

8 0
2 years ago
Other questions:
  • Water is a pure substance. Which of the following is true about water?
    12·1 answer
  • Complete combustion of 4.10 g of a hydrocarbon produced 12.6 g of CO2 and 6.00 g of H2O. What is the empirical formula for the h
    12·1 answer
  • How many moles are in 3.46 g of chromium?
    5·1 answer
  • A certain atom has a nucleus containing six protons and eight neutrons and has six electrons orbiting the nucleus
    8·1 answer
  • If 7.0 mol of NO and 5.0 mol of O2 are reacted tegethor. The reaction generates 3.0 mol of NO2. What is the percent yield for th
    9·1 answer
  • Given the following reaction and data, A + B → Products
    8·1 answer
  • 1. Why is soil erosion relatively less in dense forests as compared to barren, open fields?
    8·2 answers
  • ~good mornin~ hru guys want too talk
    13·1 answer
  • What mass does a nuetron have?​
    7·1 answer
  • If Sally has 250 grams of cement, how many kilograms does she have? How many milligrams?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!