I am used in pencils and often mistaken for lead. what mineral am i

If the density of ethanol, C2H5OH, is 0.789 g/mL. How many milliliters of ethanol are needed to produce 15.0 g of CO2 according to the following chemical equation? C2H5OH (l) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (l)

Write a poem about one of the elements (preferably Neon or Helium): Hydrogen Boron Fluorine Aluminum Chlorine Platinum Arsenic Helium Carbon Neon Silicon Silver Lead Krypton Lithium Nitrogen Sodium Phosphorus Mercury Nickel Tin Berilium Oxygen

Determine whether each molecule is polar or nonpolar. a. scl2 b. scl4 c. brcl5

How many sublevels are contained in each of the principal energy levels?

How much heat is needed to raise the temperature of 6g of water by 20oC?

Witch type of crust is thick and contains granite

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter