Choose the products that complete the reaction. The chemical equations may not be balanced. HCl + NaOH? NaCl + H2O NaCl + CO2 + H2O NaCl + H2

True of False: Only conclusions that support the hypothesis should be reported in scientific research.

In viewing a chemical equation, how do you determine the ratios that relate reactants and products?

Given the balanced equation: 2 KI + F2 - -> 2 KI + I2 Which type of chemical reaction does this equation represent?

If 11.5 grams of chlorine reacts with aluminum, how many grams of aluminum chloride will be formed according to the following reaction? 2 Al + 3 Cl2 à 2 AlCl3

How much heat is required to increase the temperature of 35.0 grams of water from 10.0°C to 45.0°C? (The specific heat of water is 4.18 J/g°C) 4.18 J 6580 J 1460 J 5120 J

Which state of matter is characterized by having an indefinite shape, but a definite volume? Gas Liquid Solid None of the above

What metric unit is used to measure distance?

In the chemical formula 3NO2 the number 3 is a

W (g) + X (g) - -> Y (g) + Z (g) Gases W and X react in a closed, rigid vessel to form gases Yand Z according to the equation above. The initial pressure of W (g) is 1.20 atm and that of X (g) is 1.60 atm. No Y (g) or Z (g) isinitially present.

In this process, a piece of paper with small holes in it separates a heterogeneous mixture by letting through the small particles and keeping out the big ones. That is called as