which of the following is the correct calculation of the baby's age from the moment of fertilization, assuming a 28-day ovarian cycle? 

A cyclist exerts a force of 125 N to accelerate from rest to a speed of 10.0 m/s. What is the cyclist’s power output? Consider the difference between average velocity and instantaneous velocity. 

un objet ce déplace de 15m E puis de 11m O, quelle distance a-t-il parcourue

verify that pi/6 is a solution to csc x = cot x / cos x

why did communism reject liberalism

express each mixed radical in entire radical form

5√2

3y√y

-2x?5x²

^{express each entire radical as a mixed radical in the simplest form}

√245

√45x⁷y⁴

?128y⁵

solve the equation sqrt 2x-5 -4=-x, x>5/2

Which of the following statements does NOT describe the role of progesterone in the female reproductive system?

Staff in a dental office should be vaccinated so that they will be protected against infection if they are accidentally exposed to hepatitis B.

Place the following events involved in an immune response to a hepatitis B vaccination in the correct order.

B cells secrete antibody molecules.

Hepatitis B antigens enter the body.

Memory T cells are produced.

Helper T recognize foreign invader and coordinates response.

Given the reaction

3 NO₂(g)   +   H₂O(l)   →   2 HNO₃(l)   +   NO(g)   Δ_rH = -72.0 kJ,

calculate the molar enthalpy of reaction, _rH for:

          3)  H₂O(l)