What is the molar mass of zinc metal

Which nuclei are most useful for organic structure determination using nmr spectroscopy? (select all that apply.) ?

Consider the following balanced reaction between hydrogen and nitrogen to form ammonia: 3H2 (g) + N2 (g) →2NH3 (g) How many moles of NH3 can be produced from 19.0 mol of H2 and excess N2?

Which steps were included in the process of cloning Dolly? Check all the apply. A cell from the udder of a sheep was removed. O Developing cells were placed in another sheep. Organisms with desirable traits were crossed.

The table compares some characteristics of two atoms. Charged Particles Atom Number of Neutrons Mass Number X 4 7 Y 5 9 Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atoms.

What branch of chemistry is most concerned with the study of carbon compounds

Calculate the enthalpy of the formation of butane, C4H10, using the balanced chemical equation and the standard value below: 4C (s) + 5H2 (g) = > C4H10 (g) Standard enthalpy of formation values: (Delta Triangle) H^0 of C (s) = - 393.

What volume of lead (of density 11.3 g/cm3) has the same mass as 330 cm3 of a piece of redwood (of density 0.38 g/cm3) ?

What electrically neutral atom will have an electron configuration of 1 s 22 s 22 p 4? Use a periodic table. Question 5 options: nitrogen (N) oxygen (O) carbon (C) fluorine (F)

How many grams of hydrogen are in 46 g of CH4OH? Answer is 6.97

Which element (s) are not balanced in this equation? Fe2O3 + 3 CO → Fe + 3 CO2 A. Only the Fe is unbalanced. B. Only the O is unbalanced C. Fe and O are both unbalanced. D. C and O are both unbalanced