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
nekit [7.7K]
3 years ago
15

Which type of volcano forms when eruptions contain mostly dush ashes and cinders?

Chemistry
1 answer:
Alisiya [41]3 years ago
6 0
Stratovolcanoes, or composite volcanoes, mostly erupt dust, ash, and cinders.
You might be interested in
Hemoglobin molecules in blood bind oxygen and carry it to cells, where it takes part in metabolism. The binding of oxygen hemogl
Alex73 [517]

Without wasting much of our time, Here is the correct question.

Hemoglobin molecules in blood bind oxygen and carry it to cells, where it takes part in metabolism. The binding of oxygen hemoglobin(aq) + O2(aq) -------> hemoglobin O2(aq) is first order in hemoglobin and first order in dissolved oxygen, with a rate constant of 4 × 10⁷ L mol⁻¹ s⁻¹. Calculate the initial rate at which oxygen will be bound to hemoglobin if the concentration of hemoglobin is 2 × 10⁻⁹ M and that of oxygen is 5 × 10⁻⁵M.

Answer:

4 × 10⁻⁶ M s⁻¹

Explanation:

The equation for the reaction between Hemoglobin molecules in blood that binds with oxygen molecule can be represent by:

hemoglobin_{(aq)  +  O_{2(aq)   ---------> hemoglobin.O_{2(aq)

Now, we are also being told to calculate only!, the  initial rate at which oxygen will be bound to hemoglobin.

So, If it is first order in hemoglobin and also first order in Oxygen molecule at the initial rate of the the reaction, therefore, the rate  for the reaction can be expressed as :

rate = k [hemoglobin_{(aq)}][O_{2(aq)}]

Let's not forget that we are so given some parameters;

where

k (rate constant) = 4 × 10⁷ L mol⁻¹ s⁻¹

[ hemoglobin_{(aq) ] = 2 × 10⁻⁹ M

[  O_{2(aq)  ]  =  5 × 10⁻⁵ M

Substituting our data given into the above rate formula, we have:

rate = (4 × 10⁷ L mol⁻¹ s⁻¹) × (2 × 10⁻⁹ M) × (5 × 10⁻⁵ M)

rate = 4 × 10⁻⁶ M s⁻¹     ( given that 1 M = 1 mol L⁻¹ )

∴ the initial rate at which oxygen will be bound to hemoglobin = 4 × 10⁻⁶ M s⁻¹

7 0
3 years ago
What is the atomic mass/mass number of the atom in the diagram above?
Lelechka [254]

Answer:

the atomic number is 5

the atomic mass is 11

Explanation:

The atomic number is the amount of protons inside the nucleus, and this number also equals the amount of electrons. Since it shows you the nucleus and the electrons, all you need to do is count the protons (positive charge inside the nucleus) or count all the electrons (negative charge outside the nucleus, in the rings) and you should have your atomic number.

As for mass, all you need to do is count all the protons and neutrons inside the nucleus and add them up. Protons = 5, Neutrons = 6. (you add them since the equation for atomic mass is Atomic Mass = Protons + neutrons. This works every time)

5+6= 11, so your atomic mass is 11

I hope this helps :)

3 0
1 year ago
What role does heat have in plate tectonics?
kap26 [50]
The answer to your question is the option D, it moves crust plates around
5 0
3 years ago
Read 2 more answers
How many grams of chlorine are required in order to consume 100g of sodium chloride?
11111nata11111 [884]

Answer:

92.1 g

Explanation:

3 0
3 years ago
Read 2 more answers
Why are carbon dioxide concentrations expected to increase?
makvit [3.9K]
Carbon dioxide concentrations expected to increase because fossil fuel burning is expected to increase
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is a reasonable ground-state electron configuration?
    15·2 answers
  • When metals form ions, they tend to do so by what
    7·2 answers
  • Helium decays to form lithium. Which equation correctly describes this decay?
    14·2 answers
  • A student prepares a model of multicellular organisms which statement best explains the difference between tissues and organs an
    6·1 answer
  • Frank has a sample of steel that weighs 80 grams. If the density of his sample of steel is 8 g/cm3 ,what is the samples volume?
    7·1 answer
  • Which of these elements has an atom with the most stable outer electron configuration? * Cl Ca Ne Na
    6·1 answer
  • Sean plated an unknown metal onto his silver earring which initially weighed 1.41 g. He constructs an electrolytic cell using hi
    7·1 answer
  • Which best describes the purpose of a fever?
    6·1 answer
  • Compare and contrast histosols and aridosols, the soils of bogs and peat marshes versus those of deserts and arid regions respec
    5·1 answer
  • 100 PTS+BRAINILIEST: Why does it get colder as you go higher through the atmosphere, if you are getting closer to the sun??
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!