Blog

Which statement is correct about cytoskeleton?

Which of the following cell organelles can be found freely floating in the cytoplasm or attached to the endoplasmic reticulum?

(a) Graph the function  y = ex − 1 + 2 (Hints: You can start from the graph of y = ex    and use appropriate transformation along x- and y-axis.) (b) Consider the following. f(x) = 2x,  g(x) = x + 7 Find the function

The molar mass of calcium hydroxide,Ca(OH)2 , is ________. (Ca =40.08 g/mol, H = 1.01 g/mol, O = 16.00 g/mol)

At 570. mmHg and 25 °C, a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature of 175 °C, if the amount of gas does not change?

The volume of a gas with a pressure of 1.2 atm increases from 1.0 L to 4.0 L. What is the final pressure of the gas, assuming constant temperature and amount of gas?  Boyle’s law P1V1 = P2V2 Charle’s law V1T1 = V2T2 Gay-Lussac’s law P1T1 = P2T2 Combined gas law P1V1T1 = P2V2T2 T(K) = T(0C) + 273

1 mol of magnesium chloride, MgCl2 contains ___ moles of chloride ions(Cl-)

What coefficient is placed in front of oxygen (O2) to complete the balancing of the following equation? C5H8 + __O2  → 5CO2 + 4H2O

A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in mmHg?  ( 1 atm = 760 mmHg)

What does the INNER JOIN clause do when used in a SELECT statement?