How are hydrocarbons similar? How are they different?

Inner transition metals are composed of which of the following? noble gases halogens metals lanthanides and actinides

Given below are statements that summarize the characteristics of α, β, and γ rays. Identify the characteristics that correspond to each type of radiation. 1. it is symbolized as 4/2 He2. it has the weakest penetrating power3.

What is the molarity of the solution produced when 145 g NaCl is dissolved in sufficient water to prepare 2.75 L of solution? * a. 0.0190 b. 52.7 c. 399 d. 0.902

A sample of magnesium is burned in oxygen to form magnesium oxide. What mass of oxygen is consumed if 74.62 g magnesium oxide is formed from 45.00 g magnesium

Which is given as an example for how the paleozic supercontinent ice cap melted?

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.

How many grams of CaC2 would make 23.6g C2H2?

Shane performed the following trials in an experiment. Trial 1: Heat 30.0 grams of water at 0 °C to a final temperature of 40.0 °C. Trial 2: Heat 40.0 grams of water at 10.0 °C to a final temperature of 40.0 °C.

According to the law of conservation of ___ in an isolated system the initial total momentum before a collision equals the final total momentum.

What is the correct name fore this formula Al2O3