Which factors atlied heat transfer between a warm and a cd sittanden
A the time it took to heat the substance, the area of conted, and the speiches of the sidences

B the amount of time of contact, the sea of contact, and the speedCreats a the statues

C the time it took to heat the satistance, the sea of the situataves, and the systicheats at the statues

D the amount of time of contact, the area of the substances, and the spatichets of the sidences

Answer:   d.  carbon dioxide.

She was of necessity running a grass roots target audience was unlettered

Moles = mass/molar mass by this formula 458/207+32 you should get your answer the ans. is 1.916 mol to 4 sig. fig.

    pb(so₄)₂this element is lead (iv) sulfate. lead is a multivalent ion. but we know that sulfate ions, so₄²⁻, have a charge of -2. in order to have the ratios match up, we need pb⁴⁺ (two times as many pb⁴⁺  than so₄²⁻).the molar mass can be calculated by finding the mass of one mole of this compound. consider the following calculation,  where amu represents the atomic mass unit. the amu for each atom involved in this compound can be found on a periodic table.  molar mass = amu pb + 2(amu s + 4 * amu o)from a periodic table (with masses rounded to the nearest tenth),      amu pb = 207.2 g    amu s =  32.1 g    amu o = 16.0 gtherefore    molar mass =  207.2 + 2(32.1 + 4*16.0) = 399.4 gthe molar mass is therefore 399.4 grams per mol