Blog

True or false: exact inference is no longer possible if you decompose a probabilistic query into sub-problems.

For the 28Mg (magnesium-28) isotope, how many protons, neutrons and electrons does the neutral atom have?

Identify the animal in this picture. 

Given the electronegativities below, which covalent single bond is least polar?

Using the information in diagram 4, we want to sample values for Y. Suppose we pick the number 0.68, what value would we assign Y based on that selection?

What do you call the open area on a page where there is no printing?

Place the following in order of increasing atomic radius.   As Br Se

When the following equation is balanced, the coefficients are __________.   

Determine the limiting reactant (LR) and the mass (in g) of CO2 that can be formed from 15.0 g C8H18 and 45.0 g O2. (10) (Molar masses: C8H18 = 114 g/mol, O2 = 32 g/mol, CO2 = 44 g/mol.)  2 C8H18 + 25 O2 → 16 CO2 + 18 H2O

A sample of copper absorbs 43.6 kJ of heat, resulting in a temperature rise of 75.0°C, determine the mass (in kg) of the copper sample if the specific heat capacity of copper is 0.385 J/g°C. (10pts)