0
What else can I help you with?
What is the purpose of repeating the process of heating cooling and weighing until the mass is almost constant?
to drive any water that may be bound to the compound
What is the Definition of the weighing range of a balance?
The weighing range of a balance refers to the minimum and maximum weights that the balance can accurately measure. It indicates the limits within which the balance can provide reliable and precise measurements.
How would a synthesis reaction cause the mass of a product to be higher than the metal in a crucible?
Heating a metal in a crucible can cause the metal to react with the surrounding gases. thus, when weighing the metal after heating, the mass increases because of the addition of the gaseous elements
What is a weighing boat?
A weighing boat is a small, lightweight container used to hold and transfer solid substances during weighing procedures in a laboratory setting. It helps prevent spillage and contamination of the substances being weighed.
How do you show that catalysts are not consumed or chemically altered during a chemical reaction?
The catalyst, and therefore its mass, will not have reduced in quantity during the reaction. By separating the catalyst from the products after reaction and weighing it, decrease in mass should be negligible, if applicable, and associable with loss through transfer from/to locations, proving that it has not reacted.
What is the purpose of repeating the process of heating cooling and weighing until the mass is almost constant?
to drive any water that may be bound to the compound
Why the process heating cooling weighing repeated until constant mass is obtain?
The process of heating, cooling, and weighing is repeated to ensure that the sample reaches a consistent and stable mass. This is important for accurate measurements and to verify that the sample has reached a consistent composition and state. Repeating the process helps to ensure that any changes in mass are due to the sample composition and not external factors.
A spring stretches 11 centimeters from its equilibrium position when an object weighing 29 newtons is hung from it. What is the spring constant?
The spring constant is calculated by dividing the weight of the object (29 N) by the distance it stretches the spring (11 cm). First, convert 11 cm to meters by dividing by 100 (0.11 m), then divide the weight by the stretch distance to get the spring constant: 29 N / 0.11 m = 263.6 N/m.
A 15.7g sample of sodium carbonate is added to a solution of acetic acid weighing 18.9 g and after reaction weighing 26.3g what is mass of carbon dioxide?
The mass of the carbon dioxide produced in the reaction is 1.5g. This can be calculated by finding the difference between the initial and final mass of the reaction system (26.3g - (15.7g + 18.9g) = 1.5g).
How much does 355 cubic liters weigh?
The answer depends on what you are weighing. Helium weighs less than water if the volume is constant.
What is the spring constant of a spring that stretches 12 cm when an object weighing 24 N is hung from it?
The spring constant is 200 N/m. This is found by using Hooke's Law, which states that the force exerted by a spring is directly proportional to its extension, with the constant of proportionality being the spring constant.
What is the value of the constant c in the weight formula w equals C divided by r squared where are is the distance from the center of the earth?
'C' can't be a constant. It has to be ( GM1M2 ), with G = the universal gravitational constant M1 = mass of the earth M2 = mass of the thing you're weighing
What are weighing scales used for in the lab?
Weighing scales are used in the lab to measure the mass of substances with precision and accuracy. This is important for preparing solutions, determining reaction yields, and ensuring the proper dosing of chemicals in experiments.
What force must be reached in order for a sprinter weighing 100 kg to reach a velocity of 10 meters per second in 3 seconds?
Assuming - without any justification - that the sprinter starts from a standstill, it is 333.33...(repeating) newtons.
What is differential weighing?
Differential weighing is a technique used to measure the mass of a substance by comparing its weight before and after a specific process, such as a chemical reaction or evaporation. This method allows for the precise determination of the change in mass, which can be crucial for calculations in various scientific experiments. By isolating the mass change, researchers can gain insights into reaction yields, substance purity, or loss of volatile components. It is commonly employed in laboratories and quality control settings.
Steps for weighing an object?
Obtain an appropriate weighing device. Make sure the device is calibrated properly. Perform the weighing by placing the object on top of the weighing device.
What is the significance of constant weighing?
Constant weighing can help monitor changes in body weight over time, which can be a useful tool for managing health and fitness goals. It can provide valuable data on progress, helping individuals adjust their diet and exercise routines accordingly. However, it's important to remember that weight is just one aspect of overall health, and it's essential to focus on healthy habits and behaviors rather than just the number on the scale.
