If a gas occupies 12 L at 3 atm, how many liters will it occupy at 9 atm if the temperature is not changed?
Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)

If a gas occupies 12 L at 3 atm, how many liters will it occupy at...
A sample of helium gas has a volume of 7.50 L at a pressure of 645 mmHg and a temperature of 25.0 °C. The pressure of the gas, in atmospheres, when the volume is 12.8 L and the temperature is 47.0 °C is ___. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)
How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") How many moles of oxygen atoms are in 5.3E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. .- Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit...
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION
Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed? a)1L b)2L c)3L d)4L 2. IF A GAS OCCUPIES 2 L AT 273 °C, WHAT IS THE VOLUME AT 0 °C IF THE PRESSURE DOES NOT CHANGE? a)0.5 L b)1 L c)2 L d)4 L 3. If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L...
In a 2.86E+1 g sample of NaHCO3, how many grams of sodium are present? Use two decimal places in atomic masses. Only give the numeric value of your answer. Don't include the units. i Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 105) In a 1.018E+2 g sample of iron(111) oxide, how many grams of iron are present? Your answer should have the...
How many moles are there in 4.571E+1 g of chlorine (Cl)? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)
How many atoms of hydrogen are in 2.46E+1 g of methane? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵
answer with two sig figs scientific notation
QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
If 18.1 mol of Ar gas occupies 111.5 L, how many mL would occupy 59.3 mol occupy under the same temperature and pressure? Record your answer in scientific notation using 3 significant figures.
How many moles of oxygen are in 8.9E-1 moles of CO_2 2 ? Only give the numeric value of your answer. Don’t include the units. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)