Subatomic Particles
This element has 8 protons, 8 electrons, and 8 neutrons
Oxygen
What is the molar mass of NaCl?
58.5 g/mol
_________ reactions lower the temperature of the surroundings, like with water and ammonium chloride.
Endothermic
A chemical compound with the formula Mg3(PO4)2 has this many Oxygen atoms.
8
This soup is a staple in Ukraine, and is made primarily from beets.
Borsch
This element has 13 electrons
Aluminum
What are the correct coefficients for the following chemical equation?
__N2 + __O2 -> __N2O5
2, 5, 2
The chemical reaction between water and sodium carbonate that we performed during our hot/cold pack lab is exothermic, meaning that it felt ____ to the touch.
hot
Particles and atoms generally move _______ at higher temperatures.
faster
Similar to an empanada/dumpling/pierogi in shape and size, this Ukrainian delight can be served as a savory or sweet component.
Varenyky
This subatomic particle generally controls how the element behaves/interacts with other elements.
Electron
What is the mole ratio of Al(OH)3 to H2O?
2Al(OH)3 + 3H2SO4 -> 6H2O + Al2(SO4)3
2:6 or 1:3
A calorimeter is meant to _______ all the heat from a chemical reaction.
contain/hold-in
If I increase the concentration of a substance, I should expect the rate of reaction to _________.
increase
Closely related to sour cream, this is a common dollop-able topping
smetana
How many electrons does a neutral atom of Silver have?
47
How many grams are in 2.75 moles of Fe2O3?
440g Fe2O3
We heated a piece of magnesium over a bunsen burner, and it glowed with a very bright white light. True or False, this is enough information for us to know if it is exothermic vs endothermic.
True
A chemical reaction needs two things: the correct orientation (imagine trying to shake someone's hand facing away from them), and enough ________.
energy
This dish involves simmering bones and connective tissue to create a gelatine-rich stock.
Aspic
This element has 45 Neutrons
Bromine
24g of C will produce ___g of CS2?
4C + S8 -> 4CS2
152g CS2
The specific heat of a metal is unknown, but its mass is recorded as 55g. Its temperature changed by 48° and the total heat exchanged between the metal and its surroundings was 1,215 J.
0.46 J/g°C
This classification of elements are good conductors of heat and electricity, which explains why we use them to cook our foods.
metals
A stuffed cabbage roll
Holubtsi