What are the four protein structures?

What is the percentage error for a mass measurements of 17.7 g? Given that the correct value is 21.2g

Is there are a total of 7.3 x 10^29 atoms in a sample of glucose, C6H12O6 (s), what amount in miles of glucose is in the sample?

An equilibrium mixture of O2, SO2 and SO3 contains equal concentrations of SO2 and SO3. Calculate the concentration of O2 if Kc = 270 for the reaction: 2 SO2 (g) + O2 (g) - 2 SO3 (0)

A sample of inorganic salt contains Na=14.31%, S=9.97%, H=6.25%, and O=69.47%. If all hydrogen is used to form water of crystallization. Find the simplest formula of compound.

Sulfur dioxide gas reacts with oxygen gas for form sulfur trioxide gas. the equilibrium constant for the reaction at 6000c is 4.34. an equilibrium mixture is found to have [so3] = 0.391 m and [o2] = 0.125 m at 6000c.

What is true about the energy involved in a chemical reaction? A. The amount of energy is constant, but it is converted from one form to another. B. The amount of energy decreases as it is converted from one form to another. C.

Which state of matter is highly compressible, is made of particles moving independently of each other, and is present in large quantities near Earth's surface?

The air in an inflated balloon (the system) absorbs 125 J of heat from its proximity to a fire. The balloon expands and does 85 kJ of work. What is the change in internal energy (in kJ) (ΔU) for the system? Round to the nearest whole number.

Is a cytoplasm made of 80 percent of water

Calculate the acid concentration of a sample of acid rain with a ph of 4.20