The sugar ribose is an important component of RNA. Ribose is 40.0% C, 6.7% H, and 53.3/% by mass. How many grams of each element are present in a 50 g sample of ribose?

All gases listed are at the same pressure. Which gas will most closely approach ideal behaviour? A ammonia at 100K B ammonia at 500K C neon at 100K D neon at 500K tell me the answer and explain well

The amount of energy released from a fission reaction is much greater than the energy released from a chemical reaction because in a fission reaction (1) mass is converted into energy (2) energy is converted into mass (3) ionic bonds are broken (4)

What is the equivalent weight of h2so4 in the reaction H2SO4+NAI = NA2SO4+I2+H2S+H2O

What are three common materials that were developed by scientists

When bismuth-212 undergoes alpha decay, it becomes which of the following? asatine-208 + an alpha particle lead-210 + an alpha particle polonium-210 + and alpha particle thallium-208 + and alpha particle

Which combination of protons neutrons and electrons is correct for the isotope of copper - 63?

What is the purpose of a domain?

What is the ideal gas constant? A. It is a constant that applies only at STP. B. It is a specific constant for a particular gas. C. It is a universal constant used for all gases. D. It is a constant that depends on the conditions.

The greenhouse effect is a result of the Sun's energy being absorbed by objects on the Earth and converted into which type of radiation? A) Radio B) Visible C) Infrared D) Ultraviolet

Which was the limiting reactant: the zinc or the hydrochloric acid? Remember that the limiting reactant is completely consumed in a reaction and no new product is formed unless more of the limiting reactant is added.