3 years ago

Name two factors that influence the viscosity of a lava flow

Chemistry

1 answer:

mr_godi [17]3 years ago

6 0

Three factors that affect magma viscosity are temperature, composition, and presence of dissolved gases.

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What is typically displayed on the y-axis of a solubility curve?

Evgen [1.6K]

X axis would be time and y axis would probably be grams of solute dissolved

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3 years ago

What is the edge length of a 369-g iron cube?(The density of iron is 7.86 g/cm3, and the volume of a cube is equal to the edge l

Galina-37 [17]

Answer:

edge length = 3.61 cm

Explanation:

Givens

m = 369 gm

d = 7.86 gm / cm^3

v = ?

Formula

v = m / d

Solution

v = 369 / 7.86

v = 46.95 cm^3

============

That's not the answer. You must take the cube root of the volume

side = cube root (46.95)

side = 3.61 cm

6 0

2 years ago

How many electrons does the isotope oxygen-18 have?<br> 6<br> 8<br> 10<br> 18

Alexxandr [17]

It has 8 electrons I the answer

7 0

3 years ago

What is the ratio of the magenta phenolphthalein concentration to the colorless phenolphthalein concentration ([magenta phenolph

lilavasa [31]

Answer:

$\frac{[magenta\ phenolphthalein]}{[colorless\ phenolphthalein]}=31.62$

Explanation:

Considering the Henderson- Hasselbalch equation for the calculation of the pH of the buffer solution as:

$pH=pKa+\log\frac{[base]}{[acid]}$

Where Ka is the dissociation constant of the acid.

pKa of phenolphthalein = 9.40

pH = 10.9

So,

$10.9=9.40+\log\frac{[magenta\ phenolphthalein]}{[colorless\ phenolphthalein]}$

$\frac{[magenta\ phenolphthalein]}{[colorless\ phenolphthalein]}=31.62$

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2 years ago

6. what is the metric system prefix for the quantity 0.000 001? a) centi- b) deci- c) kilo- d) micro-

Sergeeva-Olga [200]

The metric system prefix for the above quantity would be D. Micro. Which is 10^-6.

8 0

3 years ago

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