Compound that occur widely in glass,

cement and ceramics are:

IF

A. silicated

B. sulphates

C. carbonates

D. phosphates

Which type of eruption appears to be the more hazardous to humans?

Why isn't ice core data used to measure current levels of CO2 in our atmosphere?

In testing the effectiveness of an antacid compound, 20.0g of Hydrochloric Acid is mixed with 28.0g of Magnesium Hydroxide. will the base neutralize all of the acid? How much of which substance is in excess? 2HCL + Mg (OH) 2 - -> MgCl2 + 2H2O

What can explode up out of a volcano 40 km in the air

What is the base used in toothpaste?

When molten rock undergoes crystallization above ground, what type of rock results? a. intrusive igneous rock b. extrusive igneous rock c. metamorphic rock d. sedimentary rock

A 150ml sample of hydrochloric acid completely reacted with 60.0mL of a 0.100 M NaOH solution. What was the original concentration of the HCl solution

Rearrange in to a quadratic 5.333 = (0.6 + 2p) ² / (0.135 - p)

How hot would a 2.3 L balloon have to get to expand to a volume of 3.0 L? Assume the initial temperature of the balloon is 24 °C, and that the pressure inside the balloon remains constant. A. 3 K B. 42 K C. 128 K D. 390 K

Which pair of nitrogen bases will form a bond in a DNA molecule? a. cytosine and adenine b. adenine and thymine c. guanine and thymine d. thymine and cytosine