What is the morality if 2.54 moles of NaOH is dissolved in 3.77 Liter?

Which of the following is NOT one of the base pairs of DNA? a. guanine b. cytosine c. thymine d. adrenaline

Which statement regarding the second law of thermodynamics is true? A. Heat can transfer from a cold to a hot body without converting a certain amount of work to heat energy. B.

During an ionic bond, electrons are basically transferred from one atom to another whereas in a covalent bond, electron pairs are shared. true or false

The Goodyear blimps, which frequently fly over sporting events, hold approximately 1.90*105 ft3 of helium. If the gas is at 24 ∘C and 1.0 atm, what mass of helium is in the blimp?

A hollow tube that holds the eyepiece lens and or mirrors

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms.

To break a chemical bond, energy must be (1) absorbed (2) destroyed (3) produced (4) released

In an experiment, 132 grams of potassium bromide (KNO3) was dissolved in 100 grams of water at 70 °C in 1 minute.

Would an ice cube melts faster when you put food coloring on it

Use the following half-reactions to design a voltaic cell: Sn4 + (aq) + 2 e - → Sn2 + (aq) Eo = 0.15 V Ag + (aq) + e-→ Ag (s) Eo = 0.80 V What is the overall cell potential? Group of answer choices