Students want to separate and compare the components of black ink and green ink. which technique is the best for the students to use?

What is the balanced equation to, CH4+O2=C02+H2O?

Balance the following equation _NaOH (aq) + _HNO3 (aq) > _NaNO3 (aq) + _H2O (1)

Assume the following: canola oil has 6% saturated fats and 94% unsaturated fats; corn oil has 13% saturated fats and 87% unsaturated fats; and coconut oil has 91% saturated fats and 9% unsaturated fats.

One end of a molecule has a positive charge and the other end of the same molecule has a negative charge. What is the best term to describe this molecule? A) ion B) dipole C) isotope D) electron

When the pressure that a gas exerts on a sealed container changed from 32.6 psi to ___ psi, the temperature changes from 735 k to 1035 k?

A material that cannot be broken down farther by chemical means

How many of the following elements have 2 unpaired electrons in the ground state? C Te Hf Si A) 1. B) 2. C) 3. D) 4.

Which has a higher frequency, a neutron or electron? Why?

1) Identify the intensive properties of a sample of matter: A. mass B. hardness C. color D. volume E. reflectivity

Suppose you have a buffer containing 0.400 M hydrazine and 0.300 M hydrazinium chloride at equilibrium. Then you add 25.2 g of NaOH to 2.0 L of the buffer. What change in pH is caused by the addition of the base? A) 0.99 B) 0.40 C) 8.71 D) - 0.36