What is the temperature of the oceanic crust?

Answers

Answer 1

Answer: The temperature of the oceanic crust increases with depth, reaching values typically in the range from about 500 °C(900 °F) to 1,000 °C (1,800 °F) at the boundary with the underlying mantle.

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The equation [m] = mol/kg represents which concentration measurement?a. molarity b. molality c. parts per million
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On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29% for 69Ga and 39.71% for 71Ga . What is the atomic mass of gallium for this location?The mass of 69Ga is 68.7200amu . The mass of 71Ga is 70.9200amu .
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A student observed that the rate of a chemical reaction increased as the temperature of the system increased. Which of the following statements best explains why thermal energy caused an increase in the reaction rate?A. The surface area of the product particles decreased.
B. The collision rate of the reactant particles increased.
C. The concentrations of the reactant particles increased.
D. The concentrations of the product particles decreased.

Answers

B, The increased thermal energy makes the particles move faster, making more collisions possible.

The answer is "B. The colllision rate of the reactant particles increased." because as you increase the temperature, the particles move faster and the faster the the particles move, the faster their collision rate.!!!

Which condition causes a hurricane to rotate?

Answers

Answer:

its caused by the convection of air masses with differences in densities mainly due to their differences in temperatures.

-Hops

What is the mass of NH4Cl that must dissolve in 200 grams of water at 50 degrees c to make a standard solution?

Answers

Answer:

The mass is 104 grams.

Explanation:

The nuclear symbol for uranium-235 should be written asO U-235.
225
92 U
233
143U
OU

Answers

Answer:

²³⁵₉₂U

Explanation:

The right symbol for the nuclei is ²³⁵₉₂U;

For this chemical element, the atom is represented by the symbol U;

To the superscript before the symbol is the mass number

The subscript before the symbol is the atomic number

Mass number is the number of protons and neutrons

Atomic number is the number of protons.

How do organisms that are not autotrophs get they energy they need to sustain life

Answers

They eat autotrophs, or each other. That's how they get energy.
Hope that answered your question.

What volume of 0.205 m k3po4 solution is necessary to completely react with 154 ml of 0.0110 m nicl2? 1.65 l?

Answers

the balanced equation for the above reaction is
2K₃PO₄ + 3NiCl₂ ---> 6KCl + Ni₃(PO₄)₂
stoichiometry of K₃PO₄ to NiCl₂ is 2:3
the number of NiCl₂ moles reacted - 0.0110 mol/L x 0.154 L = 1.69 x 10⁻³ mol
if 3 mol of NiCl₂ reacts with - 2 mol of K₃PO₄
then 1.69 x 10⁻³ mol of NiCl₂ reacts with - 2/3 x 1.69 x 10⁻³ = 1.13 x 10⁻³ mol of K₃PO₄
molarity of K₃PO₄ solution given - 0.205 M
there are 0.205 mol in 1 L
therefore 1.13 x 10⁻³ mol are in - 1.13 x 10⁻³ mol / 0.205 mol/L = 5.51 mL
volume of K₃PO₄ required - 5.51 mL

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According to Reference Table J, which of these metals will react mostreadily with 1.0 M HCl to produce H2(g)?(1) Ca (3) Mg(2) K (4) Zn

Need help fast!!!!!!!!!!!

Write a balanced equation for the reaction of NaCH3COO (also written as NaC2H3O2) and HCl.