55,484 in scientific notation

0.16 X, 0 520 6.9 XCI 0.53 0.98 453.7 ΧΗ What element is this?

A gas has a pressure of 0.370 atm at 50 °C. What is the pressure at standard temperature?

Which statement correctly describes a sample of gas confined in a sealed container? (1) It always has a definite volume, and it takes the shape of the container. (2) It takes the shape and the volume of any container in which it is confined.

Which of the statements is true about chemical reaction rates the reaction rates can change the reaction rates are always constant the reaction rates cannot increase the reaction rates cannot decrease

What is the Density of 85 mL of a liquid that has a mass of 54 Kg?

If a 860. ml of linseed oil has a mass of 680 g, what is the density of the oil

Without any force to change it, an object at rest stays at rest and an object in motion stays in motion. This demonstrates which of Newton's Laws? Question 3 options: (A) Newton's First Law (B) Newton's Second Law (C) Newton's Third Law

You are examining the DNA sequences that code for the enzyme phosphofructokinase in skinks and Komodo dragons.

Scientists are often interested in knowing the molar heat of combustion the heat released during the combustion of one molar of a substance use a periodic table to find molar masses. How many moles of ethanol are present in the sample? ? Mol

Which of the following is not a source of air pollution related to human activities