2 years ago

Describe the 3 stages in the " life cycle" of a volcano

Chemistry

2 answers:

Greeley [361]2 years ago

6 0

Answer:

active,dormant,extinct

Explanation:

SpyIntel [72]2 years ago

3 0

active,dormant,extinct

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6 × 10^9 mm = m. how to convert millimeters to m

OLga [1]

Answer:

6x10^9x10^-3m=6x10^6m

Explanation:

3 0

2 years ago

A chemistry student weighs out 0.027 kg of an unknown solid compound X and adds it to 550. mL of distilled water at 30.° C. Afte

QveST [7]

Answer:

1. Yes

2.The solubility of X is 34.55g/L

Explanation:

Solubility of solute refers to how readily a solute will dissolve in a solvent at a particular temperature. Its the amount of moles or grams required to saturate 1dm $^{3}$ or 1 Litre of water.

From the problem, when the liquid was drained off and amount of X which didn't dissolve was measured, it weighed 0.008kg, this means out of 0.027kg, 0.027-0.008 actually dissolved

= 0.019kg*1000 = 19g.

if 19g is required to saturate 550mL at 30°C,

then $\frac{19*1000}{550}$ will saturate 1L