Physics
 👍 0
 👎 0
 👁 208

 👍 0
 👎 0
Respond to this Question
Similar Questions

Chemistry
A hydrate of copper (II) sulfate with formula CuSO4.xH2O has a molar mass of 250.0 g/mol. 2.545 g of hydrate is heated and 63.85% of the residue is found after heating. a) Determine the value of x in the formula of the compound b)

AP Chemistry
The structural formula for acetic acid is CH3CO2H. What is its empirical formula; what is its molecular formula?

math
The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are nonzero and 20

Chem 22
balance molecular formula, total ionic formula and net ionic formula of Sr(NO3)2 + Al2(SO4)3. Thank you

Chemistry
the formula H2O2 is an example of 1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula

Chemistry
Write the formula of the corresponding acid that contains this anion. Express your answer as a chemical formula. The arsenite ion has the formula AsO33−.

IGCSE Chemistry
Hydrocarbons A and B both contain 85.7 % carbon. Their molar masses are 42 and 84 respectively. a) Which elements does a hydrocarbon contain? b) Calculate the empirical formula of A and of B. c) Calculate the molecular formula of

Chemistry repost URGENT
Chemical analysis reveals capsaicin to contain 71.0% of carbon, 8.60% hydrogen, 15.8% oxygen and 4.60% nitrogen. a) Determine the empirical formula of capsaicin b) Each molecule contains one atom of nitrogen. What is the molecular

chemistry
A compound is found to be 51.39% carbon, 8.64% hydrogen, and 39.97% nitrogen. It has a molecular molar mass of 140.22 g/mol. (This question requires one to find the empirical formula to end up with the final answer in molecular

chemistry need help
Determine the number of moles of each specified atom or ion in the given samples of the following compounds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21

Algebra joint, inverse and direct variation
Urgent! If t varies inversely as the cube of z and directly as the square of r, and t=4 when z=3 and r=6, find t when z=6 and r=9. T= k (square) r/(cubed) z 4=k (square) 6/ (cubed) 3 The electrical conductance of a wire varies

Algebra 2
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
You can view more similar questions or ask a new question.