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
dolphi86 [110]
2 years ago
11

A _____ is a place where magma reaches Earth's surface to become lava, which can come out of an opening called a _____. A. crate

r; fissure B. fissure; crater C. volcano; crater D. volcano; fissure
Chemistry
2 answers:
IRINA_888 [86]2 years ago
4 0
The answer is:
D. volcano, fissure :)
Temka [501]2 years ago
4 0
C. Volcano;Crater


This is because magma usually comes out of a volcano and the opening is called crater and not fissure as the other person said.
You might be interested in
Suppose a giant meteor smashes into the Earth and wipes out the majority of life. Describe how succession would help an ecosyste
joja [24]
Succession would help over time because new things will appear after
5 0
3 years ago
A chemist wants to develop a fuel by converting water back to elemental hydrogen and oxygen using coupled ATP hydrolysis to driv
Doss [256]

Answer:

Firstly, we need know that:

Energy of a opposite reaction will equal to = (-) energy of forward reaction.

Therefore,

H2(g) +1/2 O2(g) -------------> H2O (g)    ΔfG = -237.13 kJ/mol -----------(1)

ATP + H2O (l) ................. ...........> ADP + Pi   ΔG = -31 kJ/mol   -----------(2)

The first equation can be written as:

H2O -------------------------> H2 +1/2 O2   ΔG = 237.13 kJ/mol -------------(3)

Equation (3) showed the formation of one mole of H2 gas required energy = 237.13 kJ/mol

Equation (2) showed that one mole of ATP on hydrolysis produces energy = 31.0 kJ/mol

Therefore, to get one mole of H2 gas means:

no of moles of ATP required = energy required for H2 production/energy produced by ATP  

= 237.13/31.00

= 7.65 moles

Therefore,  to produce one mole H2 gas = 7.65 moles of ATP is required

So in order to produce 3 moles of H2

= x ATP required for one mole

= 3 x 7.649

= 22.947 moles

Therefore, to produce three mole of H2 = 22.9 moles of ATP.

3 0
3 years ago
Read 2 more answers
The “fatal flaw” in Rutherford’s model of the atom was the idea that if the electrons were ________.
Wittaler [7]
The correct option is A. Rutherford model of the atom consider an atom to be made up of a central nucleus with electrons orbiting around it. The nucleus is considered to be tiny, heavy and its positively charged while the electrons are negatively charged. The shortcoming of this model is that it was not able to explain how the positive nucleus was not able to attract the negative electrons and pull them inside the nucleus. 
8 0
3 years ago
a rock has a density of 17 g/cm3. If it is cut into 3 equal size pieces, what will be the density of each piece?
erma4kov [3.2K]
All pieces will be 17 g/cm^3 because the density is not affected by cutting (assuming the rock is uniform).
6 0
2 years ago
A 0.0035 M aqueous solution of a particular compound has pH = 2.46. The compound is (A) a weak base (B) a weak acid (C) a strong
slava [35]

Answer:

(a) A strong acid

Explanation:

We have given the pH of the solution is 2.46

pH=2.46  

So the concentration of H^+=10^{-pH}=10^{-2.46}=0.00346

solution having H+ concentration more than H^+=10^{-7} is acidic

Since in the given solution, H+ concentration is 0.00346 M which is more than 10^{-7}[/tex] so this is an acidic solution

Note-The concentration of H^+ decide the behavior of the solution that is, it is acidic or basic

7 0
3 years ago
Other questions:
  • Hi can you slove this please. ..​
    15·1 answer
  • The molar solubility of ag2s is 1.26 × 10-16 m in pure water. calculate the ksp for ag2s.
    10·1 answer
  • 0.023 M solution of perchloric acid
    6·1 answer
  • A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder
    14·1 answer
  • Can someone plz explain ionic and covalent bonding plzzzz!!!
    6·1 answer
  • How many moles are in 40.0g of CO​2
    15·2 answers
  • Which statement best describes the relationship between the giraffe and the tree shown above?
    12·1 answer
  • Which of these best describes the basis on which new scientific ideas are accepted or rejected?
    9·1 answer
  • What are the similarities and differences between living on Earth versus living in space?
    13·2 answers
  • What mass of water is produced from the complete combustion of 4.60×10-3 g of methane?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!